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Diffstat (limited to '3.2.71/1031_linux-3.2.32.patch')
-rw-r--r--3.2.71/1031_linux-3.2.32.patch6206
1 files changed, 0 insertions, 6206 deletions
diff --git a/3.2.71/1031_linux-3.2.32.patch b/3.2.71/1031_linux-3.2.32.patch
deleted file mode 100644
index 247fc0b..0000000
--- a/3.2.71/1031_linux-3.2.32.patch
+++ /dev/null
@@ -1,6206 +0,0 @@
-diff --git a/Documentation/virtual/lguest/lguest.c b/Documentation/virtual/lguest/lguest.c
-index c095d79..288dba6 100644
---- a/Documentation/virtual/lguest/lguest.c
-+++ b/Documentation/virtual/lguest/lguest.c
-@@ -1299,6 +1299,7 @@ static struct device *new_device(const char *name, u16 type)
- dev->feature_len = 0;
- dev->num_vq = 0;
- dev->running = false;
-+ dev->next = NULL;
-
- /*
- * Append to device list. Prepending to a single-linked list is
-diff --git a/Makefile b/Makefile
-index fd9c414..b6d8282 100644
---- a/Makefile
-+++ b/Makefile
-@@ -1,6 +1,6 @@
- VERSION = 3
- PATCHLEVEL = 2
--SUBLEVEL = 31
-+SUBLEVEL = 32
- EXTRAVERSION =
- NAME = Saber-toothed Squirrel
-
-diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
-index a6cbb71..04e703a 100644
---- a/arch/arm/plat-omap/counter_32k.c
-+++ b/arch/arm/plat-omap/counter_32k.c
-@@ -82,22 +82,29 @@ static void notrace omap_update_sched_clock(void)
- * nsecs and adds to a monotonically increasing timespec.
- */
- static struct timespec persistent_ts;
--static cycles_t cycles, last_cycles;
-+static cycles_t cycles;
- static unsigned int persistent_mult, persistent_shift;
-+static DEFINE_SPINLOCK(read_persistent_clock_lock);
-+
- void read_persistent_clock(struct timespec *ts)
- {
- unsigned long long nsecs;
-- cycles_t delta;
-- struct timespec *tsp = &persistent_ts;
-+ cycles_t last_cycles;
-+ unsigned long flags;
-+
-+ spin_lock_irqsave(&read_persistent_clock_lock, flags);
-
- last_cycles = cycles;
- cycles = timer_32k_base ? __raw_readl(timer_32k_base) : 0;
-- delta = cycles - last_cycles;
-
-- nsecs = clocksource_cyc2ns(delta, persistent_mult, persistent_shift);
-+ nsecs = clocksource_cyc2ns(cycles - last_cycles,
-+ persistent_mult, persistent_shift);
-+
-+ timespec_add_ns(&persistent_ts, nsecs);
-+
-+ *ts = persistent_ts;
-
-- timespec_add_ns(tsp, nsecs);
-- *ts = *tsp;
-+ spin_unlock_irqrestore(&read_persistent_clock_lock, flags);
- }
-
- int __init omap_init_clocksource_32k(void)
-diff --git a/arch/mips/Makefile b/arch/mips/Makefile
-index 0be3186..aaf7444 100644
---- a/arch/mips/Makefile
-+++ b/arch/mips/Makefile
-@@ -224,7 +224,7 @@ KBUILD_CPPFLAGS += -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"
- LDFLAGS += -m $(ld-emul)
-
- ifdef CONFIG_MIPS
--CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
-+CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
- egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
- sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/")
- ifdef CONFIG_64BIT
-diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
-index 1a96618..ce7dd99 100644
---- a/arch/mips/kernel/Makefile
-+++ b/arch/mips/kernel/Makefile
-@@ -102,7 +102,7 @@ obj-$(CONFIG_MIPS_MACHINE) += mips_machine.o
-
- obj-$(CONFIG_OF) += prom.o
-
--CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi)
-+CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -x c /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi)
-
- obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT) += 8250-platform.o
-
-diff --git a/arch/mn10300/Makefile b/arch/mn10300/Makefile
-index 7120282..3eb4a52 100644
---- a/arch/mn10300/Makefile
-+++ b/arch/mn10300/Makefile
-@@ -26,7 +26,7 @@ CHECKFLAGS +=
- PROCESSOR := unset
- UNIT := unset
-
--KBUILD_CFLAGS += -mam33 -mmem-funcs -DCPU=AM33
-+KBUILD_CFLAGS += -mam33 -DCPU=AM33 $(call cc-option,-mmem-funcs,)
- KBUILD_AFLAGS += -mam33 -DCPU=AM33
-
- ifeq ($(CONFIG_MN10300_CURRENT_IN_E2),y)
-diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
-index 1b6cb10..a0a4e8a 100644
---- a/arch/powerpc/platforms/pseries/eeh_driver.c
-+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
-@@ -25,6 +25,7 @@
- #include <linux/delay.h>
- #include <linux/interrupt.h>
- #include <linux/irq.h>
-+#include <linux/module.h>
- #include <linux/pci.h>
- #include <asm/eeh.h>
- #include <asm/eeh_event.h>
-@@ -41,6 +42,41 @@ static inline const char * pcid_name (struct pci_dev *pdev)
- return "";
- }
-
-+/**
-+ * eeh_pcid_get - Get the PCI device driver
-+ * @pdev: PCI device
-+ *
-+ * The function is used to retrieve the PCI device driver for
-+ * the indicated PCI device. Besides, we will increase the reference
-+ * of the PCI device driver to prevent that being unloaded on
-+ * the fly. Otherwise, kernel crash would be seen.
-+ */
-+static inline struct pci_driver *eeh_pcid_get(struct pci_dev *pdev)
-+{
-+ if (!pdev || !pdev->driver)
-+ return NULL;
-+
-+ if (!try_module_get(pdev->driver->driver.owner))
-+ return NULL;
-+
-+ return pdev->driver;
-+}
-+
-+/**
-+ * eeh_pcid_put - Dereference on the PCI device driver
-+ * @pdev: PCI device
-+ *
-+ * The function is called to do dereference on the PCI device
-+ * driver of the indicated PCI device.
-+ */
-+static inline void eeh_pcid_put(struct pci_dev *pdev)
-+{
-+ if (!pdev || !pdev->driver)
-+ return;
-+
-+ module_put(pdev->driver->driver.owner);
-+}
-+
- #if 0
- static void print_device_node_tree(struct pci_dn *pdn, int dent)
- {
-@@ -109,18 +145,20 @@ static void eeh_enable_irq(struct pci_dev *dev)
- static int eeh_report_error(struct pci_dev *dev, void *userdata)
- {
- enum pci_ers_result rc, *res = userdata;
-- struct pci_driver *driver = dev->driver;
-+ struct pci_driver *driver;
-
- dev->error_state = pci_channel_io_frozen;
-
-- if (!driver)
-- return 0;
-+ driver = eeh_pcid_get(dev);
-+ if (!driver) return 0;
-
- eeh_disable_irq(dev);
-
- if (!driver->err_handler ||
-- !driver->err_handler->error_detected)
-+ !driver->err_handler->error_detected) {
-+ eeh_pcid_put(dev);
- return 0;
-+ }
-
- rc = driver->err_handler->error_detected (dev, pci_channel_io_frozen);
-
-@@ -128,6 +166,7 @@ static int eeh_report_error(struct pci_dev *dev, void *userdata)
- if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
- if (*res == PCI_ERS_RESULT_NONE) *res = rc;
-
-+ eeh_pcid_put(dev);
- return 0;
- }
-
-@@ -142,12 +181,15 @@ static int eeh_report_error(struct pci_dev *dev, void *userdata)
- static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata)
- {
- enum pci_ers_result rc, *res = userdata;
-- struct pci_driver *driver = dev->driver;
-+ struct pci_driver *driver;
-
-- if (!driver ||
-- !driver->err_handler ||
-- !driver->err_handler->mmio_enabled)
-+ driver = eeh_pcid_get(dev);
-+ if (!driver) return 0;
-+ if (!driver->err_handler ||
-+ !driver->err_handler->mmio_enabled) {
-+ eeh_pcid_put(dev);
- return 0;
-+ }
-
- rc = driver->err_handler->mmio_enabled (dev);
-
-@@ -155,6 +197,7 @@ static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata)
- if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
- if (*res == PCI_ERS_RESULT_NONE) *res = rc;
-
-+ eeh_pcid_put(dev);
- return 0;
- }
-
-@@ -165,18 +208,20 @@ static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata)
- static int eeh_report_reset(struct pci_dev *dev, void *userdata)
- {
- enum pci_ers_result rc, *res = userdata;
-- struct pci_driver *driver = dev->driver;
--
-- if (!driver)
-- return 0;
-+ struct pci_driver *driver;
-
- dev->error_state = pci_channel_io_normal;
-
-+ driver = eeh_pcid_get(dev);
-+ if (!driver) return 0;
-+
- eeh_enable_irq(dev);
-
- if (!driver->err_handler ||
-- !driver->err_handler->slot_reset)
-+ !driver->err_handler->slot_reset) {
-+ eeh_pcid_put(dev);
- return 0;
-+ }
-
- rc = driver->err_handler->slot_reset(dev);
- if ((*res == PCI_ERS_RESULT_NONE) ||
-@@ -184,6 +229,7 @@ static int eeh_report_reset(struct pci_dev *dev, void *userdata)
- if (*res == PCI_ERS_RESULT_DISCONNECT &&
- rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
-
-+ eeh_pcid_put(dev);
- return 0;
- }
-
-@@ -193,21 +239,24 @@ static int eeh_report_reset(struct pci_dev *dev, void *userdata)
-
- static int eeh_report_resume(struct pci_dev *dev, void *userdata)
- {
-- struct pci_driver *driver = dev->driver;
-+ struct pci_driver *driver;
-
- dev->error_state = pci_channel_io_normal;
-
-- if (!driver)
-- return 0;
-+ driver = eeh_pcid_get(dev);
-+ if (!driver) return 0;
-
- eeh_enable_irq(dev);
-
- if (!driver->err_handler ||
-- !driver->err_handler->resume)
-+ !driver->err_handler->resume) {
-+ eeh_pcid_put(dev);
- return 0;
-+ }
-
- driver->err_handler->resume(dev);
-
-+ eeh_pcid_put(dev);
- return 0;
- }
-
-@@ -220,21 +269,24 @@ static int eeh_report_resume(struct pci_dev *dev, void *userdata)
-
- static int eeh_report_failure(struct pci_dev *dev, void *userdata)
- {
-- struct pci_driver *driver = dev->driver;
-+ struct pci_driver *driver;
-
- dev->error_state = pci_channel_io_perm_failure;
-
-- if (!driver)
-- return 0;
-+ driver = eeh_pcid_get(dev);
-+ if (!driver) return 0;
-
- eeh_disable_irq(dev);
-
- if (!driver->err_handler ||
-- !driver->err_handler->error_detected)
-+ !driver->err_handler->error_detected) {
-+ eeh_pcid_put(dev);
- return 0;
-+ }
-
- driver->err_handler->error_detected(dev, pci_channel_io_perm_failure);
-
-+ eeh_pcid_put(dev);
- return 0;
- }
-
-diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
-index 18601c8..884507e 100644
---- a/arch/x86/include/asm/pgtable.h
-+++ b/arch/x86/include/asm/pgtable.h
-@@ -146,8 +146,7 @@ static inline unsigned long pmd_pfn(pmd_t pmd)
-
- static inline int pmd_large(pmd_t pte)
- {
-- return (pmd_flags(pte) & (_PAGE_PSE | _PAGE_PRESENT)) ==
-- (_PAGE_PSE | _PAGE_PRESENT);
-+ return pmd_flags(pte) & _PAGE_PSE;
- }
-
- #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-@@ -415,7 +414,13 @@ static inline int pte_hidden(pte_t pte)
-
- static inline int pmd_present(pmd_t pmd)
- {
-- return pmd_flags(pmd) & _PAGE_PRESENT;
-+ /*
-+ * Checking for _PAGE_PSE is needed too because
-+ * split_huge_page will temporarily clear the present bit (but
-+ * the _PAGE_PSE flag will remain set at all times while the
-+ * _PAGE_PRESENT bit is clear).
-+ */
-+ return pmd_flags(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_PSE);
- }
-
- static inline int pmd_none(pmd_t pmd)
-diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
-index 37718f0..4d320b2 100644
---- a/arch/x86/platform/efi/efi.c
-+++ b/arch/x86/platform/efi/efi.c
-@@ -731,6 +731,7 @@ void __init efi_enter_virtual_mode(void)
- *
- * Call EFI services through wrapper functions.
- */
-+ efi.runtime_version = efi_systab.fw_revision;
- efi.get_time = virt_efi_get_time;
- efi.set_time = virt_efi_set_time;
- efi.get_wakeup_time = virt_efi_get_wakeup_time;
-diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
-index 9ecec98..5016de5 100644
---- a/drivers/acpi/bus.c
-+++ b/drivers/acpi/bus.c
-@@ -950,8 +950,6 @@ static int __init acpi_bus_init(void)
- status = acpi_ec_ecdt_probe();
- /* Ignore result. Not having an ECDT is not fatal. */
-
-- acpi_bus_osc_support();
--
- status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION);
- if (ACPI_FAILURE(status)) {
- printk(KERN_ERR PREFIX "Unable to initialize ACPI objects\n");
-@@ -959,6 +957,12 @@ static int __init acpi_bus_init(void)
- }
-
- /*
-+ * _OSC method may exist in module level code,
-+ * so it must be run after ACPI_FULL_INITIALIZATION
-+ */
-+ acpi_bus_osc_support();
-+
-+ /*
- * _PDC control method may load dynamic SSDT tables,
- * and we need to install the table handler before that.
- */
-diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
-index 6f95d98..1f90dab 100644
---- a/drivers/bluetooth/btusb.c
-+++ b/drivers/bluetooth/btusb.c
-@@ -108,7 +108,7 @@ static struct usb_device_id btusb_table[] = {
- { USB_DEVICE(0x413c, 0x8197) },
-
- /* Foxconn - Hon Hai */
-- { USB_DEVICE(0x0489, 0xe033) },
-+ { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) },
-
- /*Broadcom devices with vendor specific id */
- { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
-diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
-index eedd547..5936691 100644
---- a/drivers/char/ttyprintk.c
-+++ b/drivers/char/ttyprintk.c
-@@ -67,7 +67,7 @@ static int tpk_printk(const unsigned char *buf, int count)
- tmp[tpk_curr + 1] = '\0';
- printk(KERN_INFO "%s%s", tpk_tag, tmp);
- tpk_curr = 0;
-- if (buf[i + 1] == '\n')
-+ if ((i + 1) < count && buf[i + 1] == '\n')
- i++;
- break;
- case '\n':
-diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
-index b48967b..5991114 100644
---- a/drivers/dma/dmaengine.c
-+++ b/drivers/dma/dmaengine.c
-@@ -564,8 +564,8 @@ void dmaengine_get(void)
- list_del_rcu(&device->global_node);
- break;
- } else if (err)
-- pr_err("dmaengine: failed to get %s: (%d)\n",
-- dma_chan_name(chan), err);
-+ pr_debug("%s: failed to get %s: (%d)\n",
-+ __func__, dma_chan_name(chan), err);
- }
- }
-
-diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
-index 4799393..b97d4f0 100644
---- a/drivers/firewire/core-cdev.c
-+++ b/drivers/firewire/core-cdev.c
-@@ -471,8 +471,8 @@ static int ioctl_get_info(struct client *client, union ioctl_arg *arg)
- client->bus_reset_closure = a->bus_reset_closure;
- if (a->bus_reset != 0) {
- fill_bus_reset_event(&bus_reset, client);
-- ret = copy_to_user(u64_to_uptr(a->bus_reset),
-- &bus_reset, sizeof(bus_reset));
-+ /* unaligned size of bus_reset is 36 bytes */
-+ ret = copy_to_user(u64_to_uptr(a->bus_reset), &bus_reset, 36);
- }
- if (ret == 0 && list_empty(&client->link))
- list_add_tail(&client->link, &client->device->client_list);
-diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
-index 0535c21..3e60e8d 100644
---- a/drivers/firmware/efivars.c
-+++ b/drivers/firmware/efivars.c
-@@ -435,12 +435,23 @@ efivar_attr_read(struct efivar_entry *entry, char *buf)
- if (status != EFI_SUCCESS)
- return -EIO;
-
-- if (var->Attributes & 0x1)
-+ if (var->Attributes & EFI_VARIABLE_NON_VOLATILE)
- str += sprintf(str, "EFI_VARIABLE_NON_VOLATILE\n");
-- if (var->Attributes & 0x2)
-+ if (var->Attributes & EFI_VARIABLE_BOOTSERVICE_ACCESS)
- str += sprintf(str, "EFI_VARIABLE_BOOTSERVICE_ACCESS\n");
-- if (var->Attributes & 0x4)
-+ if (var->Attributes & EFI_VARIABLE_RUNTIME_ACCESS)
- str += sprintf(str, "EFI_VARIABLE_RUNTIME_ACCESS\n");
-+ if (var->Attributes & EFI_VARIABLE_HARDWARE_ERROR_RECORD)
-+ str += sprintf(str, "EFI_VARIABLE_HARDWARE_ERROR_RECORD\n");
-+ if (var->Attributes & EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)
-+ str += sprintf(str,
-+ "EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS\n");
-+ if (var->Attributes &
-+ EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)
-+ str += sprintf(str,
-+ "EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS\n");
-+ if (var->Attributes & EFI_VARIABLE_APPEND_WRITE)
-+ str += sprintf(str, "EFI_VARIABLE_APPEND_WRITE\n");
- return str - buf;
- }
-
-diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
-index e48e01e..33e1555 100644
---- a/drivers/gpu/drm/i915/i915_gem.c
-+++ b/drivers/gpu/drm/i915/i915_gem.c
-@@ -1543,16 +1543,19 @@ i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
- list_move_tail(&obj->ring_list, &ring->active_list);
-
- obj->last_rendering_seqno = seqno;
-- if (obj->fenced_gpu_access) {
-- struct drm_i915_fence_reg *reg;
--
-- BUG_ON(obj->fence_reg == I915_FENCE_REG_NONE);
-
-+ if (obj->fenced_gpu_access) {
- obj->last_fenced_seqno = seqno;
- obj->last_fenced_ring = ring;
-
-- reg = &dev_priv->fence_regs[obj->fence_reg];
-- list_move_tail(&reg->lru_list, &dev_priv->mm.fence_list);
-+ /* Bump MRU to take account of the delayed flush */
-+ if (obj->fence_reg != I915_FENCE_REG_NONE) {
-+ struct drm_i915_fence_reg *reg;
-+
-+ reg = &dev_priv->fence_regs[obj->fence_reg];
-+ list_move_tail(&reg->lru_list,
-+ &dev_priv->mm.fence_list);
-+ }
- }
- }
-
-@@ -1561,6 +1564,7 @@ i915_gem_object_move_off_active(struct drm_i915_gem_object *obj)
- {
- list_del_init(&obj->ring_list);
- obj->last_rendering_seqno = 0;
-+ obj->last_fenced_seqno = 0;
- }
-
- static void
-@@ -1589,6 +1593,7 @@ i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj)
- BUG_ON(!list_empty(&obj->gpu_write_list));
- BUG_ON(!obj->active);
- obj->ring = NULL;
-+ obj->last_fenced_ring = NULL;
-
- i915_gem_object_move_off_active(obj);
- obj->fenced_gpu_access = false;
-diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
-index a6c2f7a..1202198 100644
---- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
-+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
-@@ -574,7 +574,8 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
- if (ret)
- break;
- }
-- obj->pending_fenced_gpu_access = need_fence;
-+ obj->pending_fenced_gpu_access =
-+ !!(entry->flags & EXEC_OBJECT_NEEDS_FENCE);
- }
-
- entry->offset = obj->gtt_offset;
-diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
-index 31d334d..861223b 100644
---- a/drivers/gpu/drm/i915/i915_gem_tiling.c
-+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
-@@ -107,10 +107,10 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
- */
- swizzle_x = I915_BIT_6_SWIZZLE_NONE;
- swizzle_y = I915_BIT_6_SWIZZLE_NONE;
-- } else if (IS_MOBILE(dev)) {
-+ } else if (IS_MOBILE(dev) || (IS_GEN3(dev) && !IS_G33(dev))) {
- uint32_t dcc;
-
-- /* On mobile 9xx chipsets, channel interleave by the CPU is
-+ /* On 9xx chipsets, channel interleave by the CPU is
- * determined by DCC. For single-channel, neither the CPU
- * nor the GPU do swizzling. For dual channel interleaved,
- * the GPU's interleave is bit 9 and 10 for X tiled, and bit
-diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
-index c8b5bc1..2812d7b 100644
---- a/drivers/gpu/drm/i915/i915_irq.c
-+++ b/drivers/gpu/drm/i915/i915_irq.c
-@@ -530,6 +530,12 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS)
- if (de_iir & DE_GSE_IVB)
- intel_opregion_gse_intr(dev);
-
-+ if (de_iir & DE_PIPEA_VBLANK_IVB)
-+ drm_handle_vblank(dev, 0);
-+
-+ if (de_iir & DE_PIPEB_VBLANK_IVB)
-+ drm_handle_vblank(dev, 1);
-+
- if (de_iir & DE_PLANEA_FLIP_DONE_IVB) {
- intel_prepare_page_flip(dev, 0);
- intel_finish_page_flip_plane(dev, 0);
-@@ -540,12 +546,6 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS)
- intel_finish_page_flip_plane(dev, 1);
- }
-
-- if (de_iir & DE_PIPEA_VBLANK_IVB)
-- drm_handle_vblank(dev, 0);
--
-- if (de_iir & DE_PIPEB_VBLANK_IVB)
-- drm_handle_vblank(dev, 1);
--
- /* check event from PCH */
- if (de_iir & DE_PCH_EVENT_IVB) {
- if (pch_iir & SDE_HOTPLUG_MASK_CPT)
-@@ -622,6 +622,12 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS)
- if (de_iir & DE_GSE)
- intel_opregion_gse_intr(dev);
-
-+ if (de_iir & DE_PIPEA_VBLANK)
-+ drm_handle_vblank(dev, 0);
-+
-+ if (de_iir & DE_PIPEB_VBLANK)
-+ drm_handle_vblank(dev, 1);
-+
- if (de_iir & DE_PLANEA_FLIP_DONE) {
- intel_prepare_page_flip(dev, 0);
- intel_finish_page_flip_plane(dev, 0);
-@@ -632,12 +638,6 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS)
- intel_finish_page_flip_plane(dev, 1);
- }
-
-- if (de_iir & DE_PIPEA_VBLANK)
-- drm_handle_vblank(dev, 0);
--
-- if (de_iir & DE_PIPEB_VBLANK)
-- drm_handle_vblank(dev, 1);
--
- /* check event from PCH */
- if (de_iir & DE_PCH_EVENT) {
- if (pch_iir & hotplug_mask)
-diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
-index 4a5e662..a294a32 100644
---- a/drivers/gpu/drm/i915/i915_reg.h
-+++ b/drivers/gpu/drm/i915/i915_reg.h
-@@ -401,6 +401,9 @@
- # define VS_TIMER_DISPATCH (1 << 6)
- # define MI_FLUSH_ENABLE (1 << 11)
-
-+#define GEN6_GT_MODE 0x20d0
-+#define GEN6_GT_MODE_HI (1 << 9)
-+
- #define GFX_MODE 0x02520
- #define GFX_MODE_GEN7 0x0229c
- #define GFX_RUN_LIST_ENABLE (1<<15)
-@@ -1557,6 +1560,10 @@
-
- /* Video Data Island Packet control */
- #define VIDEO_DIP_DATA 0x61178
-+/* Read the description of VIDEO_DIP_DATA (before Haswel) or VIDEO_DIP_ECC
-+ * (Haswell and newer) to see which VIDEO_DIP_DATA byte corresponds to each byte
-+ * of the infoframe structure specified by CEA-861. */
-+#define VIDEO_DIP_DATA_SIZE 32
- #define VIDEO_DIP_CTL 0x61170
- #define VIDEO_DIP_ENABLE (1 << 31)
- #define VIDEO_DIP_PORT_B (1 << 29)
-diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
-index 6c3fb44..adac0dd 100644
---- a/drivers/gpu/drm/i915/intel_display.c
-+++ b/drivers/gpu/drm/i915/intel_display.c
-@@ -2850,13 +2850,34 @@ static void intel_clear_scanline_wait(struct drm_device *dev)
- I915_WRITE_CTL(ring, tmp);
- }
-
-+static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
-+{
-+ struct drm_device *dev = crtc->dev;
-+ struct drm_i915_private *dev_priv = dev->dev_private;
-+ unsigned long flags;
-+ bool pending;
-+
-+ if (atomic_read(&dev_priv->mm.wedged))
-+ return false;
-+
-+ spin_lock_irqsave(&dev->event_lock, flags);
-+ pending = to_intel_crtc(crtc)->unpin_work != NULL;
-+ spin_unlock_irqrestore(&dev->event_lock, flags);
-+
-+ return pending;
-+}
-+
- static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc)
- {
- struct drm_device *dev = crtc->dev;
-+ struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (crtc->fb == NULL)
- return;
-
-+ wait_event(dev_priv->pending_flip_queue,
-+ !intel_crtc_has_pending_flip(crtc));
-+
- mutex_lock(&dev->struct_mutex);
- intel_finish_fb(crtc->fb);
- mutex_unlock(&dev->struct_mutex);
-@@ -5027,7 +5048,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
- /* default to 8bpc */
- pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
- if (is_dp) {
-- if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
-+ if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
- pipeconf |= PIPECONF_BPP_6 |
- PIPECONF_DITHER_EN |
- PIPECONF_DITHER_TYPE_SP;
-@@ -5495,7 +5516,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
- /* determine panel color depth */
- temp = I915_READ(PIPECONF(pipe));
- temp &= ~PIPE_BPC_MASK;
-- dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode);
-+ dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, adjusted_mode);
- switch (pipe_bpp) {
- case 18:
- temp |= PIPE_6BPC;
-@@ -6952,9 +6973,8 @@ static void do_intel_finish_page_flip(struct drm_device *dev,
-
- atomic_clear_mask(1 << intel_crtc->plane,
- &obj->pending_flip.counter);
-- if (atomic_read(&obj->pending_flip) == 0)
-- wake_up(&dev_priv->pending_flip_queue);
-
-+ wake_up(&dev_priv->pending_flip_queue);
- schedule_work(&work->work);
-
- trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj);
-@@ -7193,7 +7213,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
- default:
- WARN_ONCE(1, "unknown plane in flip command\n");
- ret = -ENODEV;
-- goto err;
-+ goto err_unpin;
- }
-
- ret = intel_ring_begin(ring, 4);
-@@ -8278,6 +8298,11 @@ static void gen6_init_clock_gating(struct drm_device *dev)
- DISPPLANE_TRICKLE_FEED_DISABLE);
- intel_flush_display_plane(dev_priv, pipe);
- }
-+
-+ /* The default value should be 0x200 according to docs, but the two
-+ * platforms I checked have a 0 for this. (Maybe BIOS overrides?) */
-+ I915_WRITE(GEN6_GT_MODE, 0xffff << 16);
-+ I915_WRITE(GEN6_GT_MODE, GEN6_GT_MODE_HI << 16 | GEN6_GT_MODE_HI);
- }
-
- static void gen7_setup_fixed_func_scheduler(struct drm_i915_private *dev_priv)
-diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
-index c2a64f4..497da2a 100644
---- a/drivers/gpu/drm/i915/intel_hdmi.c
-+++ b/drivers/gpu/drm/i915/intel_hdmi.c
-@@ -138,14 +138,20 @@ static void i9xx_write_infoframe(struct drm_encoder *encoder,
-
- I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags);
-
-+ mmiowb();
- for (i = 0; i < len; i += 4) {
- I915_WRITE(VIDEO_DIP_DATA, *data);
- data++;
- }
-+ /* Write every possible data byte to force correct ECC calculation. */
-+ for (; i < VIDEO_DIP_DATA_SIZE; i += 4)
-+ I915_WRITE(VIDEO_DIP_DATA, 0);
-+ mmiowb();
-
- flags |= intel_infoframe_flags(frame);
-
- I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags);
-+ POSTING_READ(VIDEO_DIP_CTL);
- }
-
- static void ironlake_write_infoframe(struct drm_encoder *encoder,
-@@ -168,14 +174,20 @@ static void ironlake_write_infoframe(struct drm_encoder *encoder,
-
- I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags);
-
-+ mmiowb();
- for (i = 0; i < len; i += 4) {
- I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data);
- data++;
- }
-+ /* Write every possible data byte to force correct ECC calculation. */
-+ for (; i < VIDEO_DIP_DATA_SIZE; i += 4)
-+ I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0);
-+ mmiowb();
-
- flags |= intel_infoframe_flags(frame);
-
- I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags);
-+ POSTING_READ(reg);
- }
- static void intel_set_infoframe(struct drm_encoder *encoder,
- struct dip_infoframe *frame)
-@@ -546,10 +558,13 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
- if (!HAS_PCH_SPLIT(dev)) {
- intel_hdmi->write_infoframe = i9xx_write_infoframe;
- I915_WRITE(VIDEO_DIP_CTL, 0);
-+ POSTING_READ(VIDEO_DIP_CTL);
- } else {
- intel_hdmi->write_infoframe = ironlake_write_infoframe;
-- for_each_pipe(i)
-+ for_each_pipe(i) {
- I915_WRITE(TVIDEO_DIP_CTL(i), 0);
-+ POSTING_READ(TVIDEO_DIP_CTL(i));
-+ }
- }
-
- drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs);
-diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
-index fc0633c..b61f490 100644
---- a/drivers/gpu/drm/radeon/evergreen.c
-+++ b/drivers/gpu/drm/radeon/evergreen.c
-@@ -37,6 +37,16 @@
- #define EVERGREEN_PFP_UCODE_SIZE 1120
- #define EVERGREEN_PM4_UCODE_SIZE 1376
-
-+static const u32 crtc_offsets[6] =
-+{
-+ EVERGREEN_CRTC0_REGISTER_OFFSET,
-+ EVERGREEN_CRTC1_REGISTER_OFFSET,
-+ EVERGREEN_CRTC2_REGISTER_OFFSET,
-+ EVERGREEN_CRTC3_REGISTER_OFFSET,
-+ EVERGREEN_CRTC4_REGISTER_OFFSET,
-+ EVERGREEN_CRTC5_REGISTER_OFFSET
-+};
-+
- static void evergreen_gpu_init(struct radeon_device *rdev);
- void evergreen_fini(struct radeon_device *rdev);
- void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
-@@ -66,6 +76,27 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
- }
- }
-
-+void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
-+{
-+ int i;
-+
-+ if (crtc >= rdev->num_crtc)
-+ return;
-+
-+ if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN) {
-+ for (i = 0; i < rdev->usec_timeout; i++) {
-+ if (!(RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK))
-+ break;
-+ udelay(1);
-+ }
-+ for (i = 0; i < rdev->usec_timeout; i++) {
-+ if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
-+ break;
-+ udelay(1);
-+ }
-+ }
-+}
-+
- void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
- {
- /* enable the pflip int */
-@@ -1065,116 +1096,88 @@ void evergreen_agp_enable(struct radeon_device *rdev)
-
- void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
- {
-+ u32 crtc_enabled, tmp, frame_count, blackout;
-+ int i, j;
-+
- save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
- save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
-
-- /* Stop all video */
-+ /* disable VGA render */
- WREG32(VGA_RENDER_CONTROL, 0);
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
-- if (rdev->num_crtc >= 4) {
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
-- }
-- if (rdev->num_crtc >= 6) {
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
-- }
-- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
-- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
-- if (rdev->num_crtc >= 4) {
-- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
-- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
-- }
-- if (rdev->num_crtc >= 6) {
-- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
-- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
-- }
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
-- if (rdev->num_crtc >= 4) {
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
-- }
-- if (rdev->num_crtc >= 6) {
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
-- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
-+ /* blank the display controllers */
-+ for (i = 0; i < rdev->num_crtc; i++) {
-+ crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
-+ if (crtc_enabled) {
-+ save->crtc_enabled[i] = true;
-+ tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
-+ if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
-+ dce4_wait_for_vblank(rdev, i);
-+ tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
-+ WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
-+ }
-+ /* wait for the next frame */
-+ frame_count = radeon_get_vblank_counter(rdev, i);
-+ for (j = 0; j < rdev->usec_timeout; j++) {
-+ if (radeon_get_vblank_counter(rdev, i) != frame_count)
-+ break;
-+ udelay(1);
-+ }
-+ }
- }
-
-- WREG32(D1VGA_CONTROL, 0);
-- WREG32(D2VGA_CONTROL, 0);
-- if (rdev->num_crtc >= 4) {
-- WREG32(EVERGREEN_D3VGA_CONTROL, 0);
-- WREG32(EVERGREEN_D4VGA_CONTROL, 0);
-- }
-- if (rdev->num_crtc >= 6) {
-- WREG32(EVERGREEN_D5VGA_CONTROL, 0);
-- WREG32(EVERGREEN_D6VGA_CONTROL, 0);
-+ evergreen_mc_wait_for_idle(rdev);
-+
-+ blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
-+ if ((blackout & BLACKOUT_MODE_MASK) != 1) {
-+ /* Block CPU access */
-+ WREG32(BIF_FB_EN, 0);
-+ /* blackout the MC */
-+ blackout &= ~BLACKOUT_MODE_MASK;
-+ WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
- }
- }
-
- void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
- {
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
--
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
--
-- if (rdev->num_crtc >= 4) {
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
--
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
-- }
-- if (rdev->num_crtc >= 6) {
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
-- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
-- (u32)rdev->mc.vram_start);
-+ u32 tmp, frame_count;
-+ int i, j;
-
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
-+ /* update crtc base addresses */
-+ for (i = 0; i < rdev->num_crtc; i++) {
-+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
-+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
- upper_32_bits(rdev->mc.vram_start));
-- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
-+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
- (u32)rdev->mc.vram_start);
-- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
-+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
- (u32)rdev->mc.vram_start);
- }
--
- WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
- WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
-- /* Unlock host access */
-+
-+ /* unblackout the MC */
-+ tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
-+ tmp &= ~BLACKOUT_MODE_MASK;
-+ WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
-+ /* allow CPU access */
-+ WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
-+
-+ for (i = 0; i < rdev->num_crtc; i++) {
-+ if (save->crtc_enabled) {
-+ tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
-+ tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
-+ WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
-+ /* wait for the next frame */
-+ frame_count = radeon_get_vblank_counter(rdev, i);
-+ for (j = 0; j < rdev->usec_timeout; j++) {
-+ if (radeon_get_vblank_counter(rdev, i) != frame_count)
-+ break;
-+ udelay(1);
-+ }
-+ }
-+ }
-+ /* Unlock vga access */
- WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
- mdelay(1);
- WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
-diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
-index 7d7f215..e022776 100644
---- a/drivers/gpu/drm/radeon/evergreen_reg.h
-+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
-@@ -210,7 +210,10 @@
- #define EVERGREEN_CRTC_CONTROL 0x6e70
- # define EVERGREEN_CRTC_MASTER_EN (1 << 0)
- # define EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE (1 << 24)
-+#define EVERGREEN_CRTC_BLANK_CONTROL 0x6e74
-+# define EVERGREEN_CRTC_BLANK_DATA_EN (1 << 8)
- #define EVERGREEN_CRTC_STATUS 0x6e8c
-+# define EVERGREEN_CRTC_V_BLANK (1 << 0)
- #define EVERGREEN_CRTC_STATUS_POSITION 0x6e90
- #define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8
- #define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4
-diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
-index 6ecd23f..fe44a95 100644
---- a/drivers/gpu/drm/radeon/evergreend.h
-+++ b/drivers/gpu/drm/radeon/evergreend.h
-@@ -77,6 +77,10 @@
-
- #define CONFIG_MEMSIZE 0x5428
-
-+#define BIF_FB_EN 0x5490
-+#define FB_READ_EN (1 << 0)
-+#define FB_WRITE_EN (1 << 1)
-+
- #define CP_ME_CNTL 0x86D8
- #define CP_ME_HALT (1 << 28)
- #define CP_PFP_HALT (1 << 26)
-@@ -194,6 +198,9 @@
- #define NOOFCHAN_MASK 0x00003000
- #define MC_SHARED_CHREMAP 0x2008
-
-+#define MC_SHARED_BLACKOUT_CNTL 0x20ac
-+#define BLACKOUT_MODE_MASK 0x00000007
-+
- #define MC_ARB_RAMCFG 0x2760
- #define NOOFBANK_SHIFT 0
- #define NOOFBANK_MASK 0x00000003
-diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
-index 5ce9402..5aa6670 100644
---- a/drivers/gpu/drm/radeon/radeon_asic.h
-+++ b/drivers/gpu/drm/radeon/radeon_asic.h
-@@ -386,6 +386,7 @@ void r700_cp_fini(struct radeon_device *rdev);
- struct evergreen_mc_save {
- u32 vga_render_control;
- u32 vga_hdp_control;
-+ bool crtc_enabled[RADEON_MAX_CRTCS];
- };
-
- void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev);
-diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
-index baa019e..4f9496e 100644
---- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
-+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
-@@ -143,6 +143,16 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
- (rdev->pdev->subsystem_device == 0x01fd))
- return true;
-
-+ /* Gateway RS690 only seems to work with MSIs. */
-+ if ((rdev->pdev->device == 0x791f) &&
-+ (rdev->pdev->subsystem_vendor == 0x107b) &&
-+ (rdev->pdev->subsystem_device == 0x0185))
-+ return true;
-+
-+ /* try and enable MSIs by default on all RS690s */
-+ if (rdev->family == CHIP_RS690)
-+ return true;
-+
- /* RV515 seems to have MSI issues where it loses
- * MSI rearms occasionally. This leads to lockups and freezes.
- * disable it by default.
-diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
-index 78a665b..ebd6c51 100644
---- a/drivers/gpu/drm/radeon/radeon_pm.c
-+++ b/drivers/gpu/drm/radeon/radeon_pm.c
-@@ -553,7 +553,9 @@ void radeon_pm_suspend(struct radeon_device *rdev)
- void radeon_pm_resume(struct radeon_device *rdev)
- {
- /* set up the default clocks if the MC ucode is loaded */
-- if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) {
-+ if ((rdev->family >= CHIP_BARTS) &&
-+ (rdev->family <= CHIP_CAYMAN) &&
-+ rdev->mc_fw) {
- if (rdev->pm.default_vddc)
- radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
- SET_VOLTAGE_TYPE_ASIC_VDDC);
-@@ -608,7 +610,9 @@ int radeon_pm_init(struct radeon_device *rdev)
- radeon_pm_print_states(rdev);
- radeon_pm_init_profile(rdev);
- /* set up the default clocks if the MC ucode is loaded */
-- if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) {
-+ if ((rdev->family >= CHIP_BARTS) &&
-+ (rdev->family <= CHIP_CAYMAN) &&
-+ rdev->mc_fw) {
- if (rdev->pm.default_vddc)
- radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
- SET_VOLTAGE_TYPE_ASIC_VDDC);
-diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
-index fe2fdbb..1740b82 100644
---- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
-+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
-@@ -148,7 +148,7 @@ static int ipoib_stop(struct net_device *dev)
-
- netif_stop_queue(dev);
-
-- ipoib_ib_dev_down(dev, 0);
-+ ipoib_ib_dev_down(dev, 1);
- ipoib_ib_dev_stop(dev, 0);
-
- if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
-diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
-index e5069b4..80799c0 100644
---- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
-+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
-@@ -190,7 +190,9 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
-
- mcast->mcmember = *mcmember;
-
-- /* Set the cached Q_Key before we attach if it's the broadcast group */
-+ /* Set the multicast MTU and cached Q_Key before we attach if it's
-+ * the broadcast group.
-+ */
- if (!memcmp(mcast->mcmember.mgid.raw, priv->dev->broadcast + 4,
- sizeof (union ib_gid))) {
- spin_lock_irq(&priv->lock);
-@@ -198,10 +200,17 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
- spin_unlock_irq(&priv->lock);
- return -EAGAIN;
- }
-+ priv->mcast_mtu = IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu));
- priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey);
- spin_unlock_irq(&priv->lock);
- priv->tx_wr.wr.ud.remote_qkey = priv->qkey;
- set_qkey = 1;
-+
-+ if (!ipoib_cm_admin_enabled(dev)) {
-+ rtnl_lock();
-+ dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu));
-+ rtnl_unlock();
-+ }
- }
-
- if (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
-@@ -590,14 +599,6 @@ void ipoib_mcast_join_task(struct work_struct *work)
- return;
- }
-
-- priv->mcast_mtu = IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu));
--
-- if (!ipoib_cm_admin_enabled(dev)) {
-- rtnl_lock();
-- dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu));
-- rtnl_unlock();
-- }
--
- ipoib_dbg_mcast(priv, "successfully joined all multicast groups\n");
-
- clear_bit(IPOIB_MCAST_RUN, &priv->flags);
-diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
-index c76b051..4ec049d 100644
---- a/drivers/infiniband/ulp/srp/ib_srp.c
-+++ b/drivers/infiniband/ulp/srp/ib_srp.c
-@@ -620,9 +620,9 @@ static void srp_reset_req(struct srp_target_port *target, struct srp_request *re
- struct scsi_cmnd *scmnd = srp_claim_req(target, req, NULL);
-
- if (scmnd) {
-+ srp_free_req(target, req, scmnd, 0);
- scmnd->result = DID_RESET << 16;
- scmnd->scsi_done(scmnd);
-- srp_free_req(target, req, scmnd, 0);
- }
- }
-
-@@ -1669,6 +1669,7 @@ static int srp_abort(struct scsi_cmnd *scmnd)
- SRP_TSK_ABORT_TASK);
- srp_free_req(target, req, scmnd, 0);
- scmnd->result = DID_ABORT << 16;
-+ scmnd->scsi_done(scmnd);
-
- return SUCCESS;
- }
-diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
-index 96532bc..7be5fd9 100644
---- a/drivers/input/mouse/synaptics.c
-+++ b/drivers/input/mouse/synaptics.c
-@@ -53,14 +53,19 @@
- #define ABS_POS_BITS 13
-
- /*
-- * Any position values from the hardware above the following limits are
-- * treated as "wrapped around negative" values that have been truncated to
-- * the 13-bit reporting range of the hardware. These are just reasonable
-- * guesses and can be adjusted if hardware is found that operates outside
-- * of these parameters.
-+ * These values should represent the absolute maximum value that will
-+ * be reported for a positive position value. Some Synaptics firmware
-+ * uses this value to indicate a finger near the edge of the touchpad
-+ * whose precise position cannot be determined.
-+ *
-+ * At least one touchpad is known to report positions in excess of this
-+ * value which are actually negative values truncated to the 13-bit
-+ * reporting range. These values have never been observed to be lower
-+ * than 8184 (i.e. -8), so we treat all values greater than 8176 as
-+ * negative and any other value as positive.
- */
--#define X_MAX_POSITIVE (((1 << ABS_POS_BITS) + XMAX) / 2)
--#define Y_MAX_POSITIVE (((1 << ABS_POS_BITS) + YMAX) / 2)
-+#define X_MAX_POSITIVE 8176
-+#define Y_MAX_POSITIVE 8176
-
- /*
- * Synaptics touchpads report the y coordinate from bottom to top, which is
-@@ -561,11 +566,21 @@ static int synaptics_parse_hw_state(const unsigned char buf[],
- hw->right = (buf[0] & 0x02) ? 1 : 0;
- }
-
-- /* Convert wrap-around values to negative */
-+ /*
-+ * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE
-+ * is used by some firmware to indicate a finger at the edge of
-+ * the touchpad whose precise position cannot be determined, so
-+ * convert these values to the maximum axis value.
-+ */
- if (hw->x > X_MAX_POSITIVE)
- hw->x -= 1 << ABS_POS_BITS;
-+ else if (hw->x == X_MAX_POSITIVE)
-+ hw->x = XMAX;
-+
- if (hw->y > Y_MAX_POSITIVE)
- hw->y -= 1 << ABS_POS_BITS;
-+ else if (hw->y == Y_MAX_POSITIVE)
-+ hw->y = YMAX;
-
- return 0;
- }
-diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
-index ccf347f..b9062c0 100644
---- a/drivers/iommu/intel-iommu.c
-+++ b/drivers/iommu/intel-iommu.c
-@@ -563,7 +563,9 @@ static void domain_update_iommu_coherency(struct dmar_domain *domain)
- {
- int i;
-
-- domain->iommu_coherency = 1;
-+ i = find_first_bit(&domain->iommu_bmp, g_num_of_iommus);
-+
-+ domain->iommu_coherency = i < g_num_of_iommus ? 1 : 0;
-
- for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) {
- if (!ecap_coherent(g_iommus[i]->ecap)) {
-diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
-index 0e49c99..c06992e 100644
---- a/drivers/media/rc/ite-cir.c
-+++ b/drivers/media/rc/ite-cir.c
-@@ -1473,6 +1473,7 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
- rdev = rc_allocate_device();
- if (!rdev)
- goto failure;
-+ itdev->rdev = rdev;
-
- ret = -ENODEV;
-
-@@ -1604,7 +1605,6 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
- if (ret)
- goto failure;
-
-- itdev->rdev = rdev;
- ite_pr(KERN_NOTICE, "driver has been successfully loaded\n");
-
- return 0;
-diff --git a/drivers/media/video/gspca/pac7302.c b/drivers/media/video/gspca/pac7302.c
-index 1c44f78..6ddc769 100644
---- a/drivers/media/video/gspca/pac7302.c
-+++ b/drivers/media/video/gspca/pac7302.c
-@@ -1197,6 +1197,8 @@ static const struct usb_device_id device_table[] = {
- {USB_DEVICE(0x093a, 0x2629), .driver_info = FL_VFLIP},
- {USB_DEVICE(0x093a, 0x262a)},
- {USB_DEVICE(0x093a, 0x262c)},
-+ {USB_DEVICE(0x145f, 0x013c)},
-+ {USB_DEVICE(0x1ae7, 0x2001)}, /* SpeedLink Snappy Mic SL-6825-SBK */
- {}
- };
- MODULE_DEVICE_TABLE(usb, device_table);
-diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
-index d5fe43d..bc27065 100644
---- a/drivers/mmc/host/omap_hsmmc.c
-+++ b/drivers/mmc/host/omap_hsmmc.c
-@@ -2188,9 +2188,7 @@ static int omap_hsmmc_suspend(struct device *dev)
- } else {
- host->suspended = 0;
- if (host->pdata->resume) {
-- ret = host->pdata->resume(&pdev->dev,
-- host->slot_id);
-- if (ret)
-+ if (host->pdata->resume(&pdev->dev, host->slot_id))
- dev_dbg(mmc_dev(host->mmc),
- "Unmask interrupt failed\n");
- }
-diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
-index 0d33ff0..06af9e4 100644
---- a/drivers/mmc/host/sdhci-s3c.c
-+++ b/drivers/mmc/host/sdhci-s3c.c
-@@ -601,7 +601,7 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
-
- sdhci_remove_host(host, 1);
-
-- for (ptr = 0; ptr < 3; ptr++) {
-+ for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
- if (sc->clk_bus[ptr]) {
- clk_disable(sc->clk_bus[ptr]);
- clk_put(sc->clk_bus[ptr]);
-diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
-index d5505f3..559d30d 100644
---- a/drivers/mmc/host/sh_mmcif.c
-+++ b/drivers/mmc/host/sh_mmcif.c
-@@ -1003,6 +1003,10 @@ static irqreturn_t sh_mmcif_intr(int irq, void *dev_id)
- host->sd_error = true;
- dev_dbg(&host->pd->dev, "int err state = %08x\n", state);
- }
-+ if (host->state == STATE_IDLE) {
-+ dev_info(&host->pd->dev, "Spurious IRQ status 0x%x", state);
-+ return IRQ_HANDLED;
-+ }
- if (state & ~(INT_CMD12RBE | INT_CMD12CRE))
- complete(&host->intr_wait);
- else
-diff --git a/drivers/mtd/maps/autcpu12-nvram.c b/drivers/mtd/maps/autcpu12-nvram.c
-index e5bfd0e..0598d52 100644
---- a/drivers/mtd/maps/autcpu12-nvram.c
-+++ b/drivers/mtd/maps/autcpu12-nvram.c
-@@ -43,7 +43,8 @@ struct map_info autcpu12_sram_map = {
-
- static int __init init_autcpu12_sram (void)
- {
-- int err, save0, save1;
-+ map_word tmp, save0, save1;
-+ int err;
-
- autcpu12_sram_map.virt = ioremap(0x12000000, SZ_128K);
- if (!autcpu12_sram_map.virt) {
-@@ -51,7 +52,7 @@ static int __init init_autcpu12_sram (void)
- err = -EIO;
- goto out;
- }
-- simple_map_init(&autcpu_sram_map);
-+ simple_map_init(&autcpu12_sram_map);
-
- /*
- * Check for 32K/128K
-@@ -61,20 +62,22 @@ static int __init init_autcpu12_sram (void)
- * Read and check result on ofs 0x0
- * Restore contents
- */
-- save0 = map_read32(&autcpu12_sram_map,0);
-- save1 = map_read32(&autcpu12_sram_map,0x10000);
-- map_write32(&autcpu12_sram_map,~save0,0x10000);
-+ save0 = map_read(&autcpu12_sram_map, 0);
-+ save1 = map_read(&autcpu12_sram_map, 0x10000);
-+ tmp.x[0] = ~save0.x[0];
-+ map_write(&autcpu12_sram_map, tmp, 0x10000);
- /* if we find this pattern on 0x0, we have 32K size
- * restore contents and exit
- */
-- if ( map_read32(&autcpu12_sram_map,0) != save0) {
-- map_write32(&autcpu12_sram_map,save0,0x0);
-+ tmp = map_read(&autcpu12_sram_map, 0);
-+ if (!map_word_equal(&autcpu12_sram_map, tmp, save0)) {
-+ map_write(&autcpu12_sram_map, save0, 0x0);
- goto map;
- }
- /* We have a 128K found, restore 0x10000 and set size
- * to 128K
- */
-- map_write32(&autcpu12_sram_map,save1,0x10000);
-+ map_write(&autcpu12_sram_map, save1, 0x10000);
- autcpu12_sram_map.size = SZ_128K;
-
- map:
-diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
-index a0bd2de..198da0a 100644
---- a/drivers/mtd/mtdpart.c
-+++ b/drivers/mtd/mtdpart.c
-@@ -748,6 +748,8 @@ static const char *default_mtd_part_types[] = {
- * partition parsers, specified in @types. However, if @types is %NULL, then
- * the default list of parsers is used. The default list contains only the
- * "cmdlinepart" and "ofpart" parsers ATM.
-+ * Note: If there are more then one parser in @types, the kernel only takes the
-+ * partitions parsed out by the first parser.
- *
- * This function may return:
- * o a negative error code in case of failure
-@@ -772,11 +774,12 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types,
- if (!parser)
- continue;
- ret = (*parser->parse_fn)(master, pparts, data);
-+ put_partition_parser(parser);
- if (ret > 0) {
- printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n",
- ret, parser->name, master->name);
-+ break;
- }
-- put_partition_parser(parser);
- }
- return ret;
- }
-diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
-index f024375..532da04 100644
---- a/drivers/mtd/nand/nand_bbt.c
-+++ b/drivers/mtd/nand/nand_bbt.c
-@@ -390,7 +390,7 @@ static int read_abs_bbts(struct mtd_info *mtd, uint8_t *buf,
- /* Read the mirror version, if available */
- if (md && (md->options & NAND_BBT_VERSION)) {
- scan_read_raw(mtd, buf, (loff_t)md->pages[0] << this->page_shift,
-- mtd->writesize, td);
-+ mtd->writesize, md);
- md->version[0] = buf[bbt_get_ver_offs(mtd, md)];
- pr_info("Bad block table at page %d, version 0x%02X\n",
- md->pages[0], md->version[0]);
-diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
-index 83e8e1b..ade0da0 100644
---- a/drivers/mtd/nand/nandsim.c
-+++ b/drivers/mtd/nand/nandsim.c
-@@ -2355,6 +2355,7 @@ static int __init ns_init_module(void)
- uint64_t new_size = (uint64_t)nsmtd->erasesize << overridesize;
- if (new_size >> overridesize != nsmtd->erasesize) {
- NS_ERR("overridesize is too big\n");
-+ retval = -EINVAL;
- goto err_exit;
- }
- /* N.B. This relies on nand_scan not doing anything with the size before we change it */
-diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
-index f745f00..297c965 100644
---- a/drivers/mtd/nand/omap2.c
-+++ b/drivers/mtd/nand/omap2.c
-@@ -1132,7 +1132,8 @@ static int omap_nand_remove(struct platform_device *pdev)
- /* Release NAND device, its internal structures and partitions */
- nand_release(&info->mtd);
- iounmap(info->nand.IO_ADDR_R);
-- kfree(&info->mtd);
-+ release_mem_region(info->phys_base, NAND_IO_SIZE);
-+ kfree(info);
- return 0;
- }
-
-diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
-index 6c3fb5a..1f9c363 100644
---- a/drivers/mtd/ubi/build.c
-+++ b/drivers/mtd/ubi/build.c
-@@ -816,6 +816,11 @@ static int autoresize(struct ubi_device *ubi, int vol_id)
- struct ubi_volume *vol = ubi->volumes[vol_id];
- int err, old_reserved_pebs = vol->reserved_pebs;
-
-+ if (ubi->ro_mode) {
-+ ubi_warn("skip auto-resize because of R/O mode");
-+ return 0;
-+ }
-+
- /*
- * Clear the auto-resize flag in the volume in-memory copy of the
- * volume table, and 'ubi_resize_volume()' will propagate this change
-diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
-index b99318e..b2b62de 100644
---- a/drivers/mtd/ubi/scan.c
-+++ b/drivers/mtd/ubi/scan.c
-@@ -997,7 +997,7 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
- return err;
- goto adjust_mean_ec;
- case UBI_IO_FF:
-- if (ec_err)
-+ if (ec_err || bitflips)
- err = add_to_list(si, pnum, ec, 1, &si->erase);
- else
- err = add_to_list(si, pnum, ec, 0, &si->free);
-diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
-index 5fedc33..d8f2b5b 100644
---- a/drivers/net/can/mscan/mpc5xxx_can.c
-+++ b/drivers/net/can/mscan/mpc5xxx_can.c
-@@ -181,7 +181,7 @@ static u32 __devinit mpc512x_can_get_clock(struct platform_device *ofdev,
-
- if (!clock_name || !strcmp(clock_name, "sys")) {
- sys_clk = clk_get(&ofdev->dev, "sys_clk");
-- if (!sys_clk) {
-+ if (IS_ERR(sys_clk)) {
- dev_err(&ofdev->dev, "couldn't get sys_clk\n");
- goto exit_unmap;
- }
-@@ -204,7 +204,7 @@ static u32 __devinit mpc512x_can_get_clock(struct platform_device *ofdev,
-
- if (clocksrc < 0) {
- ref_clk = clk_get(&ofdev->dev, "ref_clk");
-- if (!ref_clk) {
-+ if (IS_ERR(ref_clk)) {
- dev_err(&ofdev->dev, "couldn't get ref_clk\n");
- goto exit_unmap;
- }
-diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
-index 0549261..c5f6b0e 100644
---- a/drivers/net/ethernet/intel/e1000/e1000_main.c
-+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
-@@ -4720,8 +4720,6 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
-
- netif_device_detach(netdev);
-
-- mutex_lock(&adapter->mutex);
--
- if (netif_running(netdev)) {
- WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
- e1000_down(adapter);
-@@ -4729,10 +4727,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
-
- #ifdef CONFIG_PM
- retval = pci_save_state(pdev);
-- if (retval) {
-- mutex_unlock(&adapter->mutex);
-+ if (retval)
- return retval;
-- }
- #endif
-
- status = er32(STATUS);
-@@ -4789,8 +4785,6 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
- if (netif_running(netdev))
- e1000_free_irq(adapter);
-
-- mutex_unlock(&adapter->mutex);
--
- pci_disable_device(pdev);
-
- return 0;
-diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
-index ed1be8a..4b43bc5 100644
---- a/drivers/net/ethernet/realtek/r8169.c
-+++ b/drivers/net/ethernet/realtek/r8169.c
-@@ -327,6 +327,8 @@ enum rtl_registers {
- Config0 = 0x51,
- Config1 = 0x52,
- Config2 = 0x53,
-+#define PME_SIGNAL (1 << 5) /* 8168c and later */
-+
- Config3 = 0x54,
- Config4 = 0x55,
- Config5 = 0x56,
-@@ -1360,7 +1362,6 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
- u16 reg;
- u8 mask;
- } cfg[] = {
-- { WAKE_ANY, Config1, PMEnable },
- { WAKE_PHY, Config3, LinkUp },
- { WAKE_MAGIC, Config3, MagicPacket },
- { WAKE_UCAST, Config5, UWF },
-@@ -1368,16 +1369,32 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
- { WAKE_MCAST, Config5, MWF },
- { WAKE_ANY, Config5, LanWake }
- };
-+ u8 options;
-
- RTL_W8(Cfg9346, Cfg9346_Unlock);
-
- for (i = 0; i < ARRAY_SIZE(cfg); i++) {
-- u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
-+ options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
- if (wolopts & cfg[i].opt)
- options |= cfg[i].mask;
- RTL_W8(cfg[i].reg, options);
- }
-
-+ switch (tp->mac_version) {
-+ case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17:
-+ options = RTL_R8(Config1) & ~PMEnable;
-+ if (wolopts)
-+ options |= PMEnable;
-+ RTL_W8(Config1, options);
-+ break;
-+ default:
-+ options = RTL_R8(Config2) & ~PME_SIGNAL;
-+ if (wolopts)
-+ options |= PME_SIGNAL;
-+ RTL_W8(Config2, options);
-+ break;
-+ }
-+
- RTL_W8(Cfg9346, Cfg9346_Lock);
- }
-
-diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
-index 7145714..c0f097b 100644
---- a/drivers/net/rionet.c
-+++ b/drivers/net/rionet.c
-@@ -79,6 +79,7 @@ static int rionet_capable = 1;
- * on system trade-offs.
- */
- static struct rio_dev **rionet_active;
-+static int nact; /* total number of active rionet peers */
-
- #define is_rionet_capable(src_ops, dst_ops) \
- ((src_ops & RIO_SRC_OPS_DATA_MSG) && \
-@@ -175,6 +176,7 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
- struct ethhdr *eth = (struct ethhdr *)skb->data;
- u16 destid;
- unsigned long flags;
-+ int add_num = 1;
-
- local_irq_save(flags);
- if (!spin_trylock(&rnet->tx_lock)) {
-@@ -182,7 +184,10 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
- return NETDEV_TX_LOCKED;
- }
-
-- if ((rnet->tx_cnt + 1) > RIONET_TX_RING_SIZE) {
-+ if (is_multicast_ether_addr(eth->h_dest))
-+ add_num = nact;
-+
-+ if ((rnet->tx_cnt + add_num) > RIONET_TX_RING_SIZE) {
- netif_stop_queue(ndev);
- spin_unlock_irqrestore(&rnet->tx_lock, flags);
- printk(KERN_ERR "%s: BUG! Tx Ring full when queue awake!\n",
-@@ -191,11 +196,16 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
- }
-
- if (is_multicast_ether_addr(eth->h_dest)) {
-+ int count = 0;
- for (i = 0; i < RIO_MAX_ROUTE_ENTRIES(rnet->mport->sys_size);
- i++)
-- if (rionet_active[i])
-+ if (rionet_active[i]) {
- rionet_queue_tx_msg(skb, ndev,
- rionet_active[i]);
-+ if (count)
-+ atomic_inc(&skb->users);
-+ count++;
-+ }
- } else if (RIONET_MAC_MATCH(eth->h_dest)) {
- destid = RIONET_GET_DESTID(eth->h_dest);
- if (rionet_active[destid])
-@@ -220,14 +230,17 @@ static void rionet_dbell_event(struct rio_mport *mport, void *dev_id, u16 sid, u
- if (info == RIONET_DOORBELL_JOIN) {
- if (!rionet_active[sid]) {
- list_for_each_entry(peer, &rionet_peers, node) {
-- if (peer->rdev->destid == sid)
-+ if (peer->rdev->destid == sid) {
- rionet_active[sid] = peer->rdev;
-+ nact++;
-+ }
- }
- rio_mport_send_doorbell(mport, sid,
- RIONET_DOORBELL_JOIN);
- }
- } else if (info == RIONET_DOORBELL_LEAVE) {
- rionet_active[sid] = NULL;
-+ nact--;
- } else {
- if (netif_msg_intr(rnet))
- printk(KERN_WARNING "%s: unhandled doorbell\n",
-@@ -524,6 +537,7 @@ static int rionet_probe(struct rio_dev *rdev, const struct rio_device_id *id)
-
- rc = rionet_setup_netdev(rdev->net->hport, ndev);
- rionet_check = 1;
-+ nact = 0;
- }
-
- /*
-diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
-index 1883d39..f7e17a0 100644
---- a/drivers/net/wireless/ath/ath9k/pci.c
-+++ b/drivers/net/wireless/ath/ath9k/pci.c
-@@ -122,8 +122,9 @@ static void ath_pci_aspm_init(struct ath_common *common)
- if (!parent)
- return;
-
-- if (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) {
-- /* Bluetooth coexistance requires disabling ASPM. */
-+ if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
-+ (AR_SREV_9285(ah))) {
-+ /* Bluetooth coexistance requires disabling ASPM for AR9285. */
- pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &aspm);
- aspm &= ~(PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1);
- pci_write_config_byte(pdev, pos + PCI_EXP_LNKCTL, aspm);
-diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
-index dfee1b3..9005380 100644
---- a/drivers/pci/probe.c
-+++ b/drivers/pci/probe.c
-@@ -658,8 +658,10 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
-
- /* Check if setup is sensible at all */
- if (!pass &&
-- (primary != bus->number || secondary <= bus->number)) {
-- dev_dbg(&dev->dev, "bus configuration invalid, reconfiguring\n");
-+ (primary != bus->number || secondary <= bus->number ||
-+ secondary > subordinate)) {
-+ dev_info(&dev->dev, "bridge configuration invalid ([bus %02x-%02x]), reconfiguring\n",
-+ secondary, subordinate);
- broken = 1;
- }
-
-diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
-index 0860181..4f1b10b 100644
---- a/drivers/s390/scsi/zfcp_aux.c
-+++ b/drivers/s390/scsi/zfcp_aux.c
-@@ -519,6 +519,7 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
-
- rwlock_init(&port->unit_list_lock);
- INIT_LIST_HEAD(&port->unit_list);
-+ atomic_set(&port->units, 0);
-
- INIT_WORK(&port->gid_pn_work, zfcp_fc_port_did_lookup);
- INIT_WORK(&port->test_link_work, zfcp_fc_link_test_work);
-diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
-index 96f13ad8..79a6afe 100644
---- a/drivers/s390/scsi/zfcp_ccw.c
-+++ b/drivers/s390/scsi/zfcp_ccw.c
-@@ -39,17 +39,23 @@ void zfcp_ccw_adapter_put(struct zfcp_adapter *adapter)
- spin_unlock_irqrestore(&zfcp_ccw_adapter_ref_lock, flags);
- }
-
--static int zfcp_ccw_activate(struct ccw_device *cdev)
--
-+/**
-+ * zfcp_ccw_activate - activate adapter and wait for it to finish
-+ * @cdev: pointer to belonging ccw device
-+ * @clear: Status flags to clear.
-+ * @tag: s390dbf trace record tag
-+ */
-+static int zfcp_ccw_activate(struct ccw_device *cdev, int clear, char *tag)
- {
- struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);
-
- if (!adapter)
- return 0;
-
-+ zfcp_erp_clear_adapter_status(adapter, clear);
- zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING);
- zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
-- "ccresu2");
-+ tag);
- zfcp_erp_wait(adapter);
- flush_work(&adapter->scan_work);
-
-@@ -164,26 +170,29 @@ static int zfcp_ccw_set_online(struct ccw_device *cdev)
- BUG_ON(!zfcp_reqlist_isempty(adapter->req_list));
- adapter->req_no = 0;
-
-- zfcp_ccw_activate(cdev);
-+ zfcp_ccw_activate(cdev, 0, "ccsonl1");
- zfcp_ccw_adapter_put(adapter);
- return 0;
- }
-
- /**
-- * zfcp_ccw_set_offline - set_offline function of zfcp driver
-+ * zfcp_ccw_offline_sync - shut down adapter and wait for it to finish
- * @cdev: pointer to belonging ccw device
-+ * @set: Status flags to set.
-+ * @tag: s390dbf trace record tag
- *
- * This function gets called by the common i/o layer and sets an adapter
- * into state offline.
- */
--static int zfcp_ccw_set_offline(struct ccw_device *cdev)
-+static int zfcp_ccw_offline_sync(struct ccw_device *cdev, int set, char *tag)
- {
- struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);
-
- if (!adapter)
- return 0;
-
-- zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1");
-+ zfcp_erp_set_adapter_status(adapter, set);
-+ zfcp_erp_adapter_shutdown(adapter, 0, tag);
- zfcp_erp_wait(adapter);
-
- zfcp_ccw_adapter_put(adapter);
-@@ -191,6 +200,18 @@ static int zfcp_ccw_set_offline(struct ccw_device *cdev)
- }
-
- /**
-+ * zfcp_ccw_set_offline - set_offline function of zfcp driver
-+ * @cdev: pointer to belonging ccw device
-+ *
-+ * This function gets called by the common i/o layer and sets an adapter
-+ * into state offline.
-+ */
-+static int zfcp_ccw_set_offline(struct ccw_device *cdev)
-+{
-+ return zfcp_ccw_offline_sync(cdev, 0, "ccsoff1");
-+}
-+
-+/**
- * zfcp_ccw_notify - ccw notify function
- * @cdev: pointer to belonging ccw device
- * @event: indicates if adapter was detached or attached
-@@ -207,6 +228,11 @@ static int zfcp_ccw_notify(struct ccw_device *cdev, int event)
-
- switch (event) {
- case CIO_GONE:
-+ if (atomic_read(&adapter->status) &
-+ ZFCP_STATUS_ADAPTER_SUSPENDED) { /* notification ignore */
-+ zfcp_dbf_hba_basic("ccnigo1", adapter);
-+ break;
-+ }
- dev_warn(&cdev->dev, "The FCP device has been detached\n");
- zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti1");
- break;
-@@ -216,6 +242,11 @@ static int zfcp_ccw_notify(struct ccw_device *cdev, int event)
- zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti2");
- break;
- case CIO_OPER:
-+ if (atomic_read(&adapter->status) &
-+ ZFCP_STATUS_ADAPTER_SUSPENDED) { /* notification ignore */
-+ zfcp_dbf_hba_basic("ccniop1", adapter);
-+ break;
-+ }
- dev_info(&cdev->dev, "The FCP device is operational again\n");
- zfcp_erp_set_adapter_status(adapter,
- ZFCP_STATUS_COMMON_RUNNING);
-@@ -251,6 +282,28 @@ static void zfcp_ccw_shutdown(struct ccw_device *cdev)
- zfcp_ccw_adapter_put(adapter);
- }
-
-+static int zfcp_ccw_suspend(struct ccw_device *cdev)
-+{
-+ zfcp_ccw_offline_sync(cdev, ZFCP_STATUS_ADAPTER_SUSPENDED, "ccsusp1");
-+ return 0;
-+}
-+
-+static int zfcp_ccw_thaw(struct ccw_device *cdev)
-+{
-+ /* trace records for thaw and final shutdown during suspend
-+ can only be found in system dump until the end of suspend
-+ but not after resume because it's based on the memory image
-+ right after the very first suspend (freeze) callback */
-+ zfcp_ccw_activate(cdev, 0, "ccthaw1");
-+ return 0;
-+}
-+
-+static int zfcp_ccw_resume(struct ccw_device *cdev)
-+{
-+ zfcp_ccw_activate(cdev, ZFCP_STATUS_ADAPTER_SUSPENDED, "ccresu1");
-+ return 0;
-+}
-+
- struct ccw_driver zfcp_ccw_driver = {
- .driver = {
- .owner = THIS_MODULE,
-@@ -263,7 +316,7 @@ struct ccw_driver zfcp_ccw_driver = {
- .set_offline = zfcp_ccw_set_offline,
- .notify = zfcp_ccw_notify,
- .shutdown = zfcp_ccw_shutdown,
-- .freeze = zfcp_ccw_set_offline,
-- .thaw = zfcp_ccw_activate,
-- .restore = zfcp_ccw_activate,
-+ .freeze = zfcp_ccw_suspend,
-+ .thaw = zfcp_ccw_thaw,
-+ .restore = zfcp_ccw_resume,
- };
-diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
-index fab2c25..8ed63aa 100644
---- a/drivers/s390/scsi/zfcp_cfdc.c
-+++ b/drivers/s390/scsi/zfcp_cfdc.c
-@@ -293,7 +293,7 @@ void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *adapter)
- }
- read_unlock_irqrestore(&adapter->port_list_lock, flags);
-
-- shost_for_each_device(sdev, port->adapter->scsi_host) {
-+ shost_for_each_device(sdev, adapter->scsi_host) {
- zfcp_sdev = sdev_to_zfcp(sdev);
- status = atomic_read(&zfcp_sdev->status);
- if ((status & ZFCP_STATUS_COMMON_ACCESS_DENIED) ||
-diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
-index a9a816e..79b9848 100644
---- a/drivers/s390/scsi/zfcp_dbf.c
-+++ b/drivers/s390/scsi/zfcp_dbf.c
-@@ -191,7 +191,7 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount,
- length = min((u16)sizeof(struct qdio_buffer),
- (u16)ZFCP_DBF_PAY_MAX_REC);
-
-- while ((char *)pl[payload->counter] && payload->counter < scount) {
-+ while (payload->counter < scount && (char *)pl[payload->counter]) {
- memcpy(payload->data, (char *)pl[payload->counter], length);
- debug_event(dbf->pay, 1, payload, zfcp_dbf_plen(length));
- payload->counter++;
-@@ -200,6 +200,26 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount,
- spin_unlock_irqrestore(&dbf->pay_lock, flags);
- }
-
-+/**
-+ * zfcp_dbf_hba_basic - trace event for basic adapter events
-+ * @adapter: pointer to struct zfcp_adapter
-+ */
-+void zfcp_dbf_hba_basic(char *tag, struct zfcp_adapter *adapter)
-+{
-+ struct zfcp_dbf *dbf = adapter->dbf;
-+ struct zfcp_dbf_hba *rec = &dbf->hba_buf;
-+ unsigned long flags;
-+
-+ spin_lock_irqsave(&dbf->hba_lock, flags);
-+ memset(rec, 0, sizeof(*rec));
-+
-+ memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
-+ rec->id = ZFCP_DBF_HBA_BASIC;
-+
-+ debug_event(dbf->hba, 1, rec, sizeof(*rec));
-+ spin_unlock_irqrestore(&dbf->hba_lock, flags);
-+}
-+
- static void zfcp_dbf_set_common(struct zfcp_dbf_rec *rec,
- struct zfcp_adapter *adapter,
- struct zfcp_port *port,
-diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
-index 714f087..3ac7a4b 100644
---- a/drivers/s390/scsi/zfcp_dbf.h
-+++ b/drivers/s390/scsi/zfcp_dbf.h
-@@ -154,6 +154,7 @@ enum zfcp_dbf_hba_id {
- ZFCP_DBF_HBA_RES = 1,
- ZFCP_DBF_HBA_USS = 2,
- ZFCP_DBF_HBA_BIT = 3,
-+ ZFCP_DBF_HBA_BASIC = 4,
- };
-
- /**
-diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
-index ed5d921..f172b84 100644
---- a/drivers/s390/scsi/zfcp_def.h
-+++ b/drivers/s390/scsi/zfcp_def.h
-@@ -77,6 +77,7 @@ struct zfcp_reqlist;
- #define ZFCP_STATUS_ADAPTER_SIOSL_ISSUED 0x00000004
- #define ZFCP_STATUS_ADAPTER_XCONFIG_OK 0x00000008
- #define ZFCP_STATUS_ADAPTER_HOST_CON_INIT 0x00000010
-+#define ZFCP_STATUS_ADAPTER_SUSPENDED 0x00000040
- #define ZFCP_STATUS_ADAPTER_ERP_PENDING 0x00000100
- #define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED 0x00000200
- #define ZFCP_STATUS_ADAPTER_DATA_DIV_ENABLED 0x00000400
-@@ -204,6 +205,7 @@ struct zfcp_port {
- struct zfcp_adapter *adapter; /* adapter used to access port */
- struct list_head unit_list; /* head of logical unit list */
- rwlock_t unit_list_lock; /* unit list lock */
-+ atomic_t units; /* zfcp_unit count */
- atomic_t status; /* status of this remote port */
- u64 wwnn; /* WWNN if known */
- u64 wwpn; /* WWPN */
-diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
-index 2302e1c..ef9e502 100644
---- a/drivers/s390/scsi/zfcp_ext.h
-+++ b/drivers/s390/scsi/zfcp_ext.h
-@@ -54,6 +54,7 @@ extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *);
- extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
- extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
- extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
-+extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
- extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
- extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
- extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
-@@ -158,6 +159,7 @@ extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
- extern struct attribute_group zfcp_sysfs_unit_attrs;
- extern struct attribute_group zfcp_sysfs_adapter_attrs;
- extern struct attribute_group zfcp_sysfs_port_attrs;
-+extern struct mutex zfcp_sysfs_port_units_mutex;
- extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
- extern struct device_attribute *zfcp_sysfs_shost_attrs[];
-
-diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
-index e9a787e..8c849f0 100644
---- a/drivers/s390/scsi/zfcp_fsf.c
-+++ b/drivers/s390/scsi/zfcp_fsf.c
-@@ -219,7 +219,7 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req)
- return;
- }
-
-- zfcp_dbf_hba_fsf_uss("fssrh_2", req);
-+ zfcp_dbf_hba_fsf_uss("fssrh_4", req);
-
- switch (sr_buf->status_type) {
- case FSF_STATUS_READ_PORT_CLOSED:
-@@ -771,12 +771,14 @@ out:
- static void zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *req)
- {
- struct scsi_device *sdev = req->data;
-- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
-+ struct zfcp_scsi_dev *zfcp_sdev;
- union fsf_status_qual *fsq = &req->qtcb->header.fsf_status_qual;
-
- if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
- return;
-
-+ zfcp_sdev = sdev_to_zfcp(sdev);
-+
- switch (req->qtcb->header.fsf_status) {
- case FSF_PORT_HANDLE_NOT_VALID:
- if (fsq->word[0] == fsq->word[1]) {
-@@ -885,7 +887,7 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req)
-
- switch (header->fsf_status) {
- case FSF_GOOD:
-- zfcp_dbf_san_res("fsscth1", req);
-+ zfcp_dbf_san_res("fsscth2", req);
- ct->status = 0;
- break;
- case FSF_SERVICE_CLASS_NOT_SUPPORTED:
-@@ -1739,13 +1741,15 @@ static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req)
- {
- struct zfcp_adapter *adapter = req->adapter;
- struct scsi_device *sdev = req->data;
-- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
-+ struct zfcp_scsi_dev *zfcp_sdev;
- struct fsf_qtcb_header *header = &req->qtcb->header;
- struct fsf_qtcb_bottom_support *bottom = &req->qtcb->bottom.support;
-
- if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
- return;
-
-+ zfcp_sdev = sdev_to_zfcp(sdev);
-+
- atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED |
- ZFCP_STATUS_COMMON_ACCESS_BOXED |
- ZFCP_STATUS_LUN_SHARED |
-@@ -1856,11 +1860,13 @@ out:
- static void zfcp_fsf_close_lun_handler(struct zfcp_fsf_req *req)
- {
- struct scsi_device *sdev = req->data;
-- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
-+ struct zfcp_scsi_dev *zfcp_sdev;
-
- if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
- return;
-
-+ zfcp_sdev = sdev_to_zfcp(sdev);
-+
- switch (req->qtcb->header.fsf_status) {
- case FSF_PORT_HANDLE_NOT_VALID:
- zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fscuh_1");
-@@ -1950,7 +1956,7 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi)
- {
- struct fsf_qual_latency_info *lat_in;
- struct latency_cont *lat = NULL;
-- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scsi->device);
-+ struct zfcp_scsi_dev *zfcp_sdev;
- struct zfcp_blk_drv_data blktrc;
- int ticks = req->adapter->timer_ticks;
-
-@@ -1965,6 +1971,7 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi)
-
- if (req->adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA &&
- !(req->status & ZFCP_STATUS_FSFREQ_ERROR)) {
-+ zfcp_sdev = sdev_to_zfcp(scsi->device);
- blktrc.flags |= ZFCP_BLK_LAT_VALID;
- blktrc.channel_lat = lat_in->channel_lat * ticks;
- blktrc.fabric_lat = lat_in->fabric_lat * ticks;
-@@ -2002,12 +2009,14 @@ static void zfcp_fsf_fcp_handler_common(struct zfcp_fsf_req *req)
- {
- struct scsi_cmnd *scmnd = req->data;
- struct scsi_device *sdev = scmnd->device;
-- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
-+ struct zfcp_scsi_dev *zfcp_sdev;
- struct fsf_qtcb_header *header = &req->qtcb->header;
-
- if (unlikely(req->status & ZFCP_STATUS_FSFREQ_ERROR))
- return;
-
-+ zfcp_sdev = sdev_to_zfcp(sdev);
-+
- switch (header->fsf_status) {
- case FSF_HANDLE_MISMATCH:
- case FSF_PORT_HANDLE_NOT_VALID:
-diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
-index e14da57..e76d003 100644
---- a/drivers/s390/scsi/zfcp_qdio.c
-+++ b/drivers/s390/scsi/zfcp_qdio.c
-@@ -102,18 +102,22 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err,
- {
- struct zfcp_qdio *qdio = (struct zfcp_qdio *) parm;
- struct zfcp_adapter *adapter = qdio->adapter;
-- struct qdio_buffer_element *sbale;
- int sbal_no, sbal_idx;
-- void *pl[ZFCP_QDIO_MAX_SBALS_PER_REQ + 1];
-- u64 req_id;
-- u8 scount;
-
- if (unlikely(qdio_err)) {
-- memset(pl, 0, ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *));
- if (zfcp_adapter_multi_buffer_active(adapter)) {
-+ void *pl[ZFCP_QDIO_MAX_SBALS_PER_REQ + 1];
-+ struct qdio_buffer_element *sbale;
-+ u64 req_id;
-+ u8 scount;
-+
-+ memset(pl, 0,
-+ ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *));
- sbale = qdio->res_q[idx]->element;
- req_id = (u64) sbale->addr;
-- scount = sbale->scount + 1; /* incl. signaling SBAL */
-+ scount = min(sbale->scount + 1,
-+ ZFCP_QDIO_MAX_SBALS_PER_REQ + 1);
-+ /* incl. signaling SBAL */
-
- for (sbal_no = 0; sbal_no < scount; sbal_no++) {
- sbal_idx = (idx + sbal_no) %
-diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
-index cdc4ff7..9e62210 100644
---- a/drivers/s390/scsi/zfcp_sysfs.c
-+++ b/drivers/s390/scsi/zfcp_sysfs.c
-@@ -227,6 +227,8 @@ static ssize_t zfcp_sysfs_port_rescan_store(struct device *dev,
- static ZFCP_DEV_ATTR(adapter, port_rescan, S_IWUSR, NULL,
- zfcp_sysfs_port_rescan_store);
-
-+DEFINE_MUTEX(zfcp_sysfs_port_units_mutex);
-+
- static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-@@ -249,6 +251,16 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
- else
- retval = 0;
-
-+ mutex_lock(&zfcp_sysfs_port_units_mutex);
-+ if (atomic_read(&port->units) > 0) {
-+ retval = -EBUSY;
-+ mutex_unlock(&zfcp_sysfs_port_units_mutex);
-+ goto out;
-+ }
-+ /* port is about to be removed, so no more unit_add */
-+ atomic_set(&port->units, -1);
-+ mutex_unlock(&zfcp_sysfs_port_units_mutex);
-+
- write_lock_irq(&adapter->port_list_lock);
- list_del(&port->list);
- write_unlock_irq(&adapter->port_list_lock);
-@@ -289,12 +301,14 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
- {
- struct zfcp_port *port = container_of(dev, struct zfcp_port, dev);
- u64 fcp_lun;
-+ int retval;
-
- if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun))
- return -EINVAL;
-
-- if (zfcp_unit_add(port, fcp_lun))
-- return -EINVAL;
-+ retval = zfcp_unit_add(port, fcp_lun);
-+ if (retval)
-+ return retval;
-
- return count;
- }
-diff --git a/drivers/s390/scsi/zfcp_unit.c b/drivers/s390/scsi/zfcp_unit.c
-index 20796eb..4e6a535 100644
---- a/drivers/s390/scsi/zfcp_unit.c
-+++ b/drivers/s390/scsi/zfcp_unit.c
-@@ -104,7 +104,7 @@ static void zfcp_unit_release(struct device *dev)
- {
- struct zfcp_unit *unit = container_of(dev, struct zfcp_unit, dev);
-
-- put_device(&unit->port->dev);
-+ atomic_dec(&unit->port->units);
- kfree(unit);
- }
-
-@@ -119,16 +119,27 @@ static void zfcp_unit_release(struct device *dev)
- int zfcp_unit_add(struct zfcp_port *port, u64 fcp_lun)
- {
- struct zfcp_unit *unit;
-+ int retval = 0;
-+
-+ mutex_lock(&zfcp_sysfs_port_units_mutex);
-+ if (atomic_read(&port->units) == -1) {
-+ /* port is already gone */
-+ retval = -ENODEV;
-+ goto out;
-+ }
-
- unit = zfcp_unit_find(port, fcp_lun);
- if (unit) {
- put_device(&unit->dev);
-- return -EEXIST;
-+ retval = -EEXIST;
-+ goto out;
- }
-
- unit = kzalloc(sizeof(struct zfcp_unit), GFP_KERNEL);
-- if (!unit)
-- return -ENOMEM;
-+ if (!unit) {
-+ retval = -ENOMEM;
-+ goto out;
-+ }
-
- unit->port = port;
- unit->fcp_lun = fcp_lun;
-@@ -139,28 +150,33 @@ int zfcp_unit_add(struct zfcp_port *port, u64 fcp_lun)
- if (dev_set_name(&unit->dev, "0x%016llx",
- (unsigned long long) fcp_lun)) {
- kfree(unit);
-- return -ENOMEM;
-+ retval = -ENOMEM;
-+ goto out;
- }
-
-- get_device(&port->dev);
--
- if (device_register(&unit->dev)) {
- put_device(&unit->dev);
-- return -ENOMEM;
-+ retval = -ENOMEM;
-+ goto out;
- }
-
- if (sysfs_create_group(&unit->dev.kobj, &zfcp_sysfs_unit_attrs)) {
- device_unregister(&unit->dev);
-- return -EINVAL;
-+ retval = -EINVAL;
-+ goto out;
- }
-
-+ atomic_inc(&port->units); /* under zfcp_sysfs_port_units_mutex ! */
-+
- write_lock_irq(&port->unit_list_lock);
- list_add_tail(&unit->list, &port->unit_list);
- write_unlock_irq(&port->unit_list_lock);
-
- zfcp_unit_scsi_scan(unit);
-
-- return 0;
-+out:
-+ mutex_unlock(&zfcp_sysfs_port_units_mutex);
-+ return retval;
- }
-
- /**
-diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
-index 7e6eca4..59fc5a1 100644
---- a/drivers/scsi/atp870u.c
-+++ b/drivers/scsi/atp870u.c
-@@ -1174,7 +1174,16 @@ wait_io1:
- outw(val, tmport);
- outb(2, 0x80);
- TCM_SYNC:
-- udelay(0x800);
-+ /*
-+ * The funny division into multiple delays is to accomodate
-+ * arches like ARM where udelay() multiplies its argument by
-+ * a large number to initialize a loop counter. To avoid
-+ * overflow, the maximum supported udelay is 2000 microseconds.
-+ *
-+ * XXX it would be more polite to find a way to use msleep()
-+ */
-+ mdelay(2);
-+ udelay(48);
- if ((inb(tmport) & 0x80) == 0x00) { /* bsy ? */
- outw(0, tmport--);
- outb(0, tmport);
-diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
-index 4ef0212..e5a4423 100644
---- a/drivers/scsi/device_handler/scsi_dh_alua.c
-+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
-@@ -578,8 +578,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h)
- h->state = TPGS_STATE_STANDBY;
- break;
- case TPGS_STATE_OFFLINE:
-- case TPGS_STATE_UNAVAILABLE:
-- /* Path unusable for unavailable/offline */
-+ /* Path unusable */
- err = SCSI_DH_DEV_OFFLINED;
- break;
- default:
-diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
-index be9aad8..22523aa 100644
---- a/drivers/scsi/hpsa.c
-+++ b/drivers/scsi/hpsa.c
-@@ -532,12 +532,42 @@ static void set_performant_mode(struct ctlr_info *h, struct CommandList *c)
- c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1);
- }
-
-+static int is_firmware_flash_cmd(u8 *cdb)
-+{
-+ return cdb[0] == BMIC_WRITE && cdb[6] == BMIC_FLASH_FIRMWARE;
-+}
-+
-+/*
-+ * During firmware flash, the heartbeat register may not update as frequently
-+ * as it should. So we dial down lockup detection during firmware flash. and
-+ * dial it back up when firmware flash completes.
-+ */
-+#define HEARTBEAT_SAMPLE_INTERVAL_DURING_FLASH (240 * HZ)
-+#define HEARTBEAT_SAMPLE_INTERVAL (30 * HZ)
-+static void dial_down_lockup_detection_during_fw_flash(struct ctlr_info *h,
-+ struct CommandList *c)
-+{
-+ if (!is_firmware_flash_cmd(c->Request.CDB))
-+ return;
-+ atomic_inc(&h->firmware_flash_in_progress);
-+ h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL_DURING_FLASH;
-+}
-+
-+static void dial_up_lockup_detection_on_fw_flash_complete(struct ctlr_info *h,
-+ struct CommandList *c)
-+{
-+ if (is_firmware_flash_cmd(c->Request.CDB) &&
-+ atomic_dec_and_test(&h->firmware_flash_in_progress))
-+ h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL;
-+}
-+
- static void enqueue_cmd_and_start_io(struct ctlr_info *h,
- struct CommandList *c)
- {
- unsigned long flags;
-
- set_performant_mode(h, c);
-+ dial_down_lockup_detection_during_fw_flash(h, c);
- spin_lock_irqsave(&h->lock, flags);
- addQ(&h->reqQ, c);
- h->Qdepth++;
-@@ -2926,7 +2956,7 @@ static void fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
- c->Request.Timeout = 0; /* Don't time out */
- memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB));
- c->Request.CDB[0] = cmd;
-- c->Request.CDB[1] = 0x03; /* Reset target above */
-+ c->Request.CDB[1] = HPSA_RESET_TYPE_LUN;
- /* If bytes 4-7 are zero, it means reset the */
- /* LunID device */
- c->Request.CDB[4] = 0x00;
-@@ -3032,6 +3062,7 @@ static inline int bad_tag(struct ctlr_info *h, u32 tag_index,
- static inline void finish_cmd(struct CommandList *c, u32 raw_tag)
- {
- removeQ(c);
-+ dial_up_lockup_detection_on_fw_flash_complete(c->h, c);
- if (likely(c->cmd_type == CMD_SCSI))
- complete_scsi_command(c);
- else if (c->cmd_type == CMD_IOCTL_PEND)
-@@ -4172,9 +4203,6 @@ static void controller_lockup_detected(struct ctlr_info *h)
- spin_unlock_irqrestore(&h->lock, flags);
- }
-
--#define HEARTBEAT_SAMPLE_INTERVAL (10 * HZ)
--#define HEARTBEAT_CHECK_MINIMUM_INTERVAL (HEARTBEAT_SAMPLE_INTERVAL / 2)
--
- static void detect_controller_lockup(struct ctlr_info *h)
- {
- u64 now;
-@@ -4185,7 +4213,7 @@ static void detect_controller_lockup(struct ctlr_info *h)
- now = get_jiffies_64();
- /* If we've received an interrupt recently, we're ok. */
- if (time_after64(h->last_intr_timestamp +
-- (HEARTBEAT_CHECK_MINIMUM_INTERVAL), now))
-+ (h->heartbeat_sample_interval), now))
- return;
-
- /*
-@@ -4194,7 +4222,7 @@ static void detect_controller_lockup(struct ctlr_info *h)
- * otherwise don't care about signals in this thread.
- */
- if (time_after64(h->last_heartbeat_timestamp +
-- (HEARTBEAT_CHECK_MINIMUM_INTERVAL), now))
-+ (h->heartbeat_sample_interval), now))
- return;
-
- /* If heartbeat has not changed since we last looked, we're not ok. */
-@@ -4236,6 +4264,7 @@ static void add_ctlr_to_lockup_detector_list(struct ctlr_info *h)
- {
- unsigned long flags;
-
-+ h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL;
- spin_lock_irqsave(&lockup_detector_lock, flags);
- list_add_tail(&h->lockup_list, &hpsa_ctlr_list);
- spin_unlock_irqrestore(&lockup_detector_lock, flags);
-diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
-index 91edafb..c721509 100644
---- a/drivers/scsi/hpsa.h
-+++ b/drivers/scsi/hpsa.h
-@@ -124,6 +124,8 @@ struct ctlr_info {
- u64 last_intr_timestamp;
- u32 last_heartbeat;
- u64 last_heartbeat_timestamp;
-+ u32 heartbeat_sample_interval;
-+ atomic_t firmware_flash_in_progress;
- u32 lockup_detected;
- struct list_head lockup_list;
- };
-diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
-index 3fd4715..e4ea0a3 100644
---- a/drivers/scsi/hpsa_cmd.h
-+++ b/drivers/scsi/hpsa_cmd.h
-@@ -163,6 +163,7 @@ struct SenseSubsystem_info {
- #define BMIC_WRITE 0x27
- #define BMIC_CACHE_FLUSH 0xc2
- #define HPSA_CACHE_FLUSH 0x01 /* C2 was already being used by HPSA */
-+#define BMIC_FLASH_FIRMWARE 0xF7
-
- /* Command List Structure */
- union SCSI3Addr {
-diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
-index 3d391dc..36aca4b 100644
---- a/drivers/scsi/ibmvscsi/ibmvscsi.c
-+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
-@@ -1547,6 +1547,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
-
- host_config = &evt_struct->iu.mad.host_config;
-
-+ /* The transport length field is only 16-bit */
-+ length = min(0xffff, length);
-+
- /* Set up a lun reset SRP command */
- memset(host_config, 0x00, sizeof(*host_config));
- host_config->common.type = VIOSRP_HOST_CONFIG_TYPE;
-diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
-index 83d08b6..5c8b0dc 100644
---- a/drivers/scsi/isci/init.c
-+++ b/drivers/scsi/isci/init.c
-@@ -469,7 +469,6 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
- if (sci_oem_parameters_validate(&orom->ctrl[i])) {
- dev_warn(&pdev->dev,
- "[%d]: invalid oem parameters detected, falling back to firmware\n", i);
-- devm_kfree(&pdev->dev, orom);
- orom = NULL;
- break;
- }
-diff --git a/drivers/scsi/isci/probe_roms.c b/drivers/scsi/isci/probe_roms.c
-index b5f4341..7cd637d 100644
---- a/drivers/scsi/isci/probe_roms.c
-+++ b/drivers/scsi/isci/probe_roms.c
-@@ -104,7 +104,6 @@ struct isci_orom *isci_request_oprom(struct pci_dev *pdev)
-
- if (i >= len) {
- dev_err(&pdev->dev, "oprom parse error\n");
-- devm_kfree(&pdev->dev, rom);
- rom = NULL;
- }
- pci_unmap_biosrom(oprom);
-diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
-index bb7c482..08d48a3 100644
---- a/drivers/scsi/scsi_sysfs.c
-+++ b/drivers/scsi/scsi_sysfs.c
-@@ -1023,33 +1023,31 @@ static void __scsi_remove_target(struct scsi_target *starget)
- void scsi_remove_target(struct device *dev)
- {
- struct Scsi_Host *shost = dev_to_shost(dev->parent);
-- struct scsi_target *starget, *found;
-+ struct scsi_target *starget, *last = NULL;
- unsigned long flags;
-
-- restart:
-- found = NULL;
-+ /* remove targets being careful to lookup next entry before
-+ * deleting the last
-+ */
- spin_lock_irqsave(shost->host_lock, flags);
- list_for_each_entry(starget, &shost->__targets, siblings) {
- if (starget->state == STARGET_DEL)
- continue;
- if (starget->dev.parent == dev || &starget->dev == dev) {
-- found = starget;
-- found->reap_ref++;
-- break;
-+ /* assuming new targets arrive at the end */
-+ starget->reap_ref++;
-+ spin_unlock_irqrestore(shost->host_lock, flags);
-+ if (last)
-+ scsi_target_reap(last);
-+ last = starget;
-+ __scsi_remove_target(starget);
-+ spin_lock_irqsave(shost->host_lock, flags);
- }
- }
- spin_unlock_irqrestore(shost->host_lock, flags);
-
-- if (found) {
-- __scsi_remove_target(found);
-- scsi_target_reap(found);
-- /* in the case where @dev has multiple starget children,
-- * continue removing.
-- *
-- * FIXME: does such a case exist?
-- */
-- goto restart;
-- }
-+ if (last)
-+ scsi_target_reap(last);
- }
- EXPORT_SYMBOL(scsi_remove_target);
-
-diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
-index 4ad2c0e..9465bce 100644
---- a/drivers/staging/comedi/comedi_fops.c
-+++ b/drivers/staging/comedi/comedi_fops.c
-@@ -843,7 +843,7 @@ static int parse_insn(struct comedi_device *dev, struct comedi_insn *insn,
- ret = -EAGAIN;
- break;
- }
-- ret = s->async->inttrig(dev, s, insn->data[0]);
-+ ret = s->async->inttrig(dev, s, data[0]);
- if (ret >= 0)
- ret = 1;
- break;
-@@ -1088,7 +1088,6 @@ static int do_cmd_ioctl(struct comedi_device *dev,
- goto cleanup;
- }
-
-- kfree(async->cmd.chanlist);
- async->cmd = user_cmd;
- async->cmd.data = NULL;
- /* load channel/gain list */
-@@ -1833,6 +1832,8 @@ void do_become_nonbusy(struct comedi_device *dev, struct comedi_subdevice *s)
- if (async) {
- comedi_reset_async_buf(async);
- async->inttrig = NULL;
-+ kfree(async->cmd.chanlist);
-+ async->cmd.chanlist = NULL;
- } else {
- printk(KERN_ERR
- "BUG: (?) do_become_nonbusy called with async=0\n");
-diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c
-index 8d98cf4..c8b7eed 100644
---- a/drivers/staging/comedi/drivers/jr3_pci.c
-+++ b/drivers/staging/comedi/drivers/jr3_pci.c
-@@ -913,7 +913,7 @@ static int jr3_pci_attach(struct comedi_device *dev,
- }
-
- /* Reset DSP card */
-- devpriv->iobase->channel[0].reset = 0;
-+ writel(0, &devpriv->iobase->channel[0].reset);
-
- result = comedi_load_firmware(dev, "jr3pci.idm", jr3_download_firmware);
- printk("Firmare load %d\n", result);
-diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
-index 23fc64b..c72128f 100644
---- a/drivers/staging/comedi/drivers/s626.c
-+++ b/drivers/staging/comedi/drivers/s626.c
-@@ -2370,7 +2370,7 @@ static int s626_enc_insn_config(struct comedi_device *dev,
- /* (data==NULL) ? (Preloadvalue=0) : (Preloadvalue=data[0]); */
-
- k->SetMode(dev, k, Setup, TRUE);
-- Preload(dev, k, *(insn->data));
-+ Preload(dev, k, data[0]);
- k->PulseIndex(dev, k);
- SetLatchSource(dev, k, valueSrclatch);
- k->SetEnable(dev, k, (uint16_t) (enab != 0));
-diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c
-index 42cdafe..b5130c8 100644
---- a/drivers/staging/speakup/speakup_soft.c
-+++ b/drivers/staging/speakup/speakup_soft.c
-@@ -40,7 +40,7 @@ static int softsynth_is_alive(struct spk_synth *synth);
- static unsigned char get_index(void);
-
- static struct miscdevice synth_device;
--static int initialized;
-+static int init_pos;
- static int misc_registered;
-
- static struct var_t vars[] = {
-@@ -194,7 +194,7 @@ static int softsynth_close(struct inode *inode, struct file *fp)
- unsigned long flags;
- spk_lock(flags);
- synth_soft.alive = 0;
-- initialized = 0;
-+ init_pos = 0;
- spk_unlock(flags);
- /* Make sure we let applications go before leaving */
- speakup_start_ttys();
-@@ -239,13 +239,8 @@ static ssize_t softsynth_read(struct file *fp, char *buf, size_t count,
- ch = '\x18';
- } else if (synth_buffer_empty()) {
- break;
-- } else if (!initialized) {
-- if (*init) {
-- ch = *init;
-- init++;
-- } else {
-- initialized = 1;
-- }
-+ } else if (init[init_pos]) {
-+ ch = init[init_pos++];
- } else {
- ch = synth_buffer_getc();
- }
-diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
-index 2ff1255..f35cb10 100644
---- a/drivers/target/iscsi/iscsi_target.c
-+++ b/drivers/target/iscsi/iscsi_target.c
-@@ -3204,7 +3204,6 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
- len += 1;
-
- if ((len + payload_len) > buffer_len) {
-- spin_unlock(&tiqn->tiqn_tpg_lock);
- end_of_buf = 1;
- goto eob;
- }
-@@ -3357,6 +3356,7 @@ static int iscsit_send_reject(
- hdr->opcode = ISCSI_OP_REJECT;
- hdr->flags |= ISCSI_FLAG_CMD_FINAL;
- hton24(hdr->dlength, ISCSI_HDR_LEN);
-+ hdr->ffffffff = 0xffffffff;
- cmd->stat_sn = conn->stat_sn++;
- hdr->statsn = cpu_to_be32(cmd->stat_sn);
- hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
-diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
-index 0f68197..dae283f 100644
---- a/drivers/target/iscsi/iscsi_target_core.h
-+++ b/drivers/target/iscsi/iscsi_target_core.h
-@@ -25,10 +25,10 @@
- #define NA_DATAOUT_TIMEOUT_RETRIES 5
- #define NA_DATAOUT_TIMEOUT_RETRIES_MAX 15
- #define NA_DATAOUT_TIMEOUT_RETRIES_MIN 1
--#define NA_NOPIN_TIMEOUT 5
-+#define NA_NOPIN_TIMEOUT 15
- #define NA_NOPIN_TIMEOUT_MAX 60
- #define NA_NOPIN_TIMEOUT_MIN 3
--#define NA_NOPIN_RESPONSE_TIMEOUT 5
-+#define NA_NOPIN_RESPONSE_TIMEOUT 30
- #define NA_NOPIN_RESPONSE_TIMEOUT_MAX 60
- #define NA_NOPIN_RESPONSE_TIMEOUT_MIN 3
- #define NA_RANDOM_DATAIN_PDU_OFFSETS 0
-diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
-index d4cf2cd..309f14c 100644
---- a/drivers/target/iscsi/iscsi_target_tpg.c
-+++ b/drivers/target/iscsi/iscsi_target_tpg.c
-@@ -674,6 +674,12 @@ int iscsit_ta_generate_node_acls(
- pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n",
- tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");
-
-+ if (flag == 1 && a->cache_dynamic_acls == 0) {
-+ pr_debug("Explicitly setting cache_dynamic_acls=1 when "
-+ "generate_node_acls=1\n");
-+ a->cache_dynamic_acls = 1;
-+ }
-+
- return 0;
- }
-
-@@ -713,6 +719,12 @@ int iscsit_ta_cache_dynamic_acls(
- return -EINVAL;
- }
-
-+ if (a->generate_node_acls == 1 && flag == 0) {
-+ pr_debug("Skipping cache_dynamic_acls=0 when"
-+ " generate_node_acls=1\n");
-+ return 0;
-+ }
-+
- a->cache_dynamic_acls = flag;
- pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group"
- " ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?
-diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
-index 93d4f6a..0b01bfc 100644
---- a/drivers/target/target_core_configfs.c
-+++ b/drivers/target/target_core_configfs.c
-@@ -3123,6 +3123,7 @@ static int __init target_core_init_configfs(void)
- GFP_KERNEL);
- if (!target_cg->default_groups) {
- pr_err("Unable to allocate target_cg->default_groups\n");
-+ ret = -ENOMEM;
- goto out_global;
- }
-
-@@ -3138,6 +3139,7 @@ static int __init target_core_init_configfs(void)
- GFP_KERNEL);
- if (!hba_cg->default_groups) {
- pr_err("Unable to allocate hba_cg->default_groups\n");
-+ ret = -ENOMEM;
- goto out_global;
- }
- config_group_init_type_name(&alua_group,
-@@ -3153,6 +3155,7 @@ static int __init target_core_init_configfs(void)
- GFP_KERNEL);
- if (!alua_cg->default_groups) {
- pr_err("Unable to allocate alua_cg->default_groups\n");
-+ ret = -ENOMEM;
- goto out_global;
- }
-
-@@ -3164,14 +3167,17 @@ static int __init target_core_init_configfs(void)
- * Add core/alua/lu_gps/default_lu_gp
- */
- lu_gp = core_alua_allocate_lu_gp("default_lu_gp", 1);
-- if (IS_ERR(lu_gp))
-+ if (IS_ERR(lu_gp)) {
-+ ret = -ENOMEM;
- goto out_global;
-+ }
-
- lu_gp_cg = &alua_lu_gps_group;
- lu_gp_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
- GFP_KERNEL);
- if (!lu_gp_cg->default_groups) {
- pr_err("Unable to allocate lu_gp_cg->default_groups\n");
-+ ret = -ENOMEM;
- goto out_global;
- }
-
-diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
-index 455a251..cafa477 100644
---- a/drivers/target/target_core_file.c
-+++ b/drivers/target/target_core_file.c
-@@ -139,6 +139,19 @@ static struct se_device *fd_create_virtdevice(
- * of pure timestamp updates.
- */
- flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC;
-+ /*
-+ * Optionally allow fd_buffered_io=1 to be enabled for people
-+ * who want use the fs buffer cache as an WriteCache mechanism.
-+ *
-+ * This means that in event of a hard failure, there is a risk
-+ * of silent data-loss if the SCSI client has *not* performed a
-+ * forced unit access (FUA) write, or issued SYNCHRONIZE_CACHE
-+ * to write-out the entire device cache.
-+ */
-+ if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
-+ pr_debug("FILEIO: Disabling O_DSYNC, using buffered FILEIO\n");
-+ flags &= ~O_DSYNC;
-+ }
-
- file = filp_open(dev_p, flags, 0600);
- if (IS_ERR(file)) {
-@@ -206,6 +219,12 @@ static struct se_device *fd_create_virtdevice(
- if (!dev)
- goto fail;
-
-+ if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
-+ pr_debug("FILEIO: Forcing setting of emulate_write_cache=1"
-+ " with FDBD_HAS_BUFFERED_IO_WCE\n");
-+ dev->se_sub_dev->se_dev_attrib.emulate_write_cache = 1;
-+ }
-+
- fd_dev->fd_dev_id = fd_host->fd_host_dev_id_count++;
- fd_dev->fd_queue_depth = dev->queue_depth;
-
-@@ -450,6 +469,7 @@ enum {
- static match_table_t tokens = {
- {Opt_fd_dev_name, "fd_dev_name=%s"},
- {Opt_fd_dev_size, "fd_dev_size=%s"},
-+ {Opt_fd_buffered_io, "fd_buffered_io=%d"},
- {Opt_err, NULL}
- };
-
-@@ -461,7 +481,7 @@ static ssize_t fd_set_configfs_dev_params(
- struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
- char *orig, *ptr, *arg_p, *opts;
- substring_t args[MAX_OPT_ARGS];
-- int ret = 0, token;
-+ int ret = 0, arg, token;
-
- opts = kstrdup(page, GFP_KERNEL);
- if (!opts)
-@@ -505,6 +525,19 @@ static ssize_t fd_set_configfs_dev_params(
- " bytes\n", fd_dev->fd_dev_size);
- fd_dev->fbd_flags |= FBDF_HAS_SIZE;
- break;
-+ case Opt_fd_buffered_io:
-+ match_int(args, &arg);
-+ if (arg != 1) {
-+ pr_err("bogus fd_buffered_io=%d value\n", arg);
-+ ret = -EINVAL;
-+ goto out;
-+ }
-+
-+ pr_debug("FILEIO: Using buffered I/O"
-+ " operations for struct fd_dev\n");
-+
-+ fd_dev->fbd_flags |= FDBD_HAS_BUFFERED_IO_WCE;
-+ break;
- default:
- break;
- }
-@@ -536,8 +569,10 @@ static ssize_t fd_show_configfs_dev_params(
- ssize_t bl = 0;
-
- bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id);
-- bl += sprintf(b + bl, " File: %s Size: %llu Mode: O_DSYNC\n",
-- fd_dev->fd_dev_name, fd_dev->fd_dev_size);
-+ bl += sprintf(b + bl, " File: %s Size: %llu Mode: %s\n",
-+ fd_dev->fd_dev_name, fd_dev->fd_dev_size,
-+ (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) ?
-+ "Buffered-WCE" : "O_DSYNC");
- return bl;
- }
-
-diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h
-index 53ece69..6b1b6a9 100644
---- a/drivers/target/target_core_file.h
-+++ b/drivers/target/target_core_file.h
-@@ -18,6 +18,7 @@ struct fd_request {
-
- #define FBDF_HAS_PATH 0x01
- #define FBDF_HAS_SIZE 0x02
-+#define FDBD_HAS_BUFFERED_IO_WCE 0x04
-
- struct fd_dev {
- u32 fbd_flags;
-diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
-index fc7bbba..d190269 100644
---- a/drivers/tty/n_gsm.c
-+++ b/drivers/tty/n_gsm.c
-@@ -108,7 +108,7 @@ struct gsm_mux_net {
- */
-
- struct gsm_msg {
-- struct gsm_msg *next;
-+ struct list_head list;
- u8 addr; /* DLCI address + flags */
- u8 ctrl; /* Control byte + flags */
- unsigned int len; /* Length of data block (can be zero) */
-@@ -245,8 +245,7 @@ struct gsm_mux {
- unsigned int tx_bytes; /* TX data outstanding */
- #define TX_THRESH_HI 8192
- #define TX_THRESH_LO 2048
-- struct gsm_msg *tx_head; /* Pending data packets */
-- struct gsm_msg *tx_tail;
-+ struct list_head tx_list; /* Pending data packets */
-
- /* Control messages */
- struct timer_list t2_timer; /* Retransmit timer for commands */
-@@ -663,7 +662,7 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len,
- m->len = len;
- m->addr = addr;
- m->ctrl = ctrl;
-- m->next = NULL;
-+ INIT_LIST_HEAD(&m->list);
- return m;
- }
-
-@@ -673,22 +672,21 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len,
- *
- * The tty device has called us to indicate that room has appeared in
- * the transmit queue. Ram more data into the pipe if we have any
-+ * If we have been flow-stopped by a CMD_FCOFF, then we can only
-+ * send messages on DLCI0 until CMD_FCON
- *
- * FIXME: lock against link layer control transmissions
- */
-
- static void gsm_data_kick(struct gsm_mux *gsm)
- {
-- struct gsm_msg *msg = gsm->tx_head;
-+ struct gsm_msg *msg, *nmsg;
- int len;
- int skip_sof = 0;
-
-- /* FIXME: We need to apply this solely to data messages */
-- if (gsm->constipated)
-- return;
--
-- while (gsm->tx_head != NULL) {
-- msg = gsm->tx_head;
-+ list_for_each_entry_safe(msg, nmsg, &gsm->tx_list, list) {
-+ if (gsm->constipated && msg->addr)
-+ continue;
- if (gsm->encoding != 0) {
- gsm->txframe[0] = GSM1_SOF;
- len = gsm_stuff_frame(msg->data,
-@@ -711,14 +709,13 @@ static void gsm_data_kick(struct gsm_mux *gsm)
- len - skip_sof) < 0)
- break;
- /* FIXME: Can eliminate one SOF in many more cases */
-- gsm->tx_head = msg->next;
-- if (gsm->tx_head == NULL)
-- gsm->tx_tail = NULL;
- gsm->tx_bytes -= msg->len;
-- kfree(msg);
- /* For a burst of frames skip the extra SOF within the
- burst */
- skip_sof = 1;
-+
-+ list_del(&msg->list);
-+ kfree(msg);
- }
- }
-
-@@ -768,11 +765,7 @@ static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg)
- msg->data = dp;
-
- /* Add to the actual output queue */
-- if (gsm->tx_tail)
-- gsm->tx_tail->next = msg;
-- else
-- gsm->tx_head = msg;
-- gsm->tx_tail = msg;
-+ list_add_tail(&msg->list, &gsm->tx_list);
- gsm->tx_bytes += msg->len;
- gsm_data_kick(gsm);
- }
-@@ -875,7 +868,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm,
-
- /* dlci->skb is locked by tx_lock */
- if (dlci->skb == NULL) {
-- dlci->skb = skb_dequeue(&dlci->skb_list);
-+ dlci->skb = skb_dequeue_tail(&dlci->skb_list);
- if (dlci->skb == NULL)
- return 0;
- first = 1;
-@@ -886,7 +879,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm,
- if (len > gsm->mtu) {
- if (dlci->adaption == 3) {
- /* Over long frame, bin it */
-- kfree_skb(dlci->skb);
-+ dev_kfree_skb_any(dlci->skb);
- dlci->skb = NULL;
- return 0;
- }
-@@ -899,8 +892,11 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm,
-
- /* FIXME: need a timer or something to kick this so it can't
- get stuck with no work outstanding and no buffer free */
-- if (msg == NULL)
-+ if (msg == NULL) {
-+ skb_queue_tail(&dlci->skb_list, dlci->skb);
-+ dlci->skb = NULL;
- return -ENOMEM;
-+ }
- dp = msg->data;
-
- if (dlci->adaption == 4) { /* Interruptible framed (Packetised Data) */
-@@ -912,7 +908,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm,
- skb_pull(dlci->skb, len);
- __gsm_data_queue(dlci, msg);
- if (last) {
-- kfree_skb(dlci->skb);
-+ dev_kfree_skb_any(dlci->skb);
- dlci->skb = NULL;
- }
- return size;
-@@ -971,16 +967,22 @@ static void gsm_dlci_data_sweep(struct gsm_mux *gsm)
- static void gsm_dlci_data_kick(struct gsm_dlci *dlci)
- {
- unsigned long flags;
-+ int sweep;
-+
-+ if (dlci->constipated)
-+ return;
-
- spin_lock_irqsave(&dlci->gsm->tx_lock, flags);
- /* If we have nothing running then we need to fire up */
-+ sweep = (dlci->gsm->tx_bytes < TX_THRESH_LO);
- if (dlci->gsm->tx_bytes == 0) {
- if (dlci->net)
- gsm_dlci_data_output_framed(dlci->gsm, dlci);
- else
- gsm_dlci_data_output(dlci->gsm, dlci);
-- } else if (dlci->gsm->tx_bytes < TX_THRESH_LO)
-- gsm_dlci_data_sweep(dlci->gsm);
-+ }
-+ if (sweep)
-+ gsm_dlci_data_sweep(dlci->gsm);
- spin_unlock_irqrestore(&dlci->gsm->tx_lock, flags);
- }
-
-@@ -1027,6 +1029,7 @@ static void gsm_process_modem(struct tty_struct *tty, struct gsm_dlci *dlci,
- {
- int mlines = 0;
- u8 brk = 0;
-+ int fc;
-
- /* The modem status command can either contain one octet (v.24 signals)
- or two octets (v.24 signals + break signals). The length field will
-@@ -1038,19 +1041,21 @@ static void gsm_process_modem(struct tty_struct *tty, struct gsm_dlci *dlci,
- else {
- brk = modem & 0x7f;
- modem = (modem >> 7) & 0x7f;
-- };
-+ }
-
- /* Flow control/ready to communicate */
-- if (modem & MDM_FC) {
-+ fc = (modem & MDM_FC) || !(modem & MDM_RTR);
-+ if (fc && !dlci->constipated) {
- /* Need to throttle our output on this device */
- dlci->constipated = 1;
-- }
-- if (modem & MDM_RTC) {
-- mlines |= TIOCM_DSR | TIOCM_DTR;
-+ } else if (!fc && dlci->constipated) {
- dlci->constipated = 0;
- gsm_dlci_data_kick(dlci);
- }
-+
- /* Map modem bits */
-+ if (modem & MDM_RTC)
-+ mlines |= TIOCM_DSR | TIOCM_DTR;
- if (modem & MDM_RTR)
- mlines |= TIOCM_RTS | TIOCM_CTS;
- if (modem & MDM_IC)
-@@ -1190,6 +1195,8 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command,
- u8 *data, int clen)
- {
- u8 buf[1];
-+ unsigned long flags;
-+
- switch (command) {
- case CMD_CLD: {
- struct gsm_dlci *dlci = gsm->dlci[0];
-@@ -1206,16 +1213,18 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command,
- gsm_control_reply(gsm, CMD_TEST, data, clen);
- break;
- case CMD_FCON:
-- /* Modem wants us to STFU */
-- gsm->constipated = 1;
-- gsm_control_reply(gsm, CMD_FCON, NULL, 0);
-- break;
-- case CMD_FCOFF:
- /* Modem can accept data again */
- gsm->constipated = 0;
-- gsm_control_reply(gsm, CMD_FCOFF, NULL, 0);
-+ gsm_control_reply(gsm, CMD_FCON, NULL, 0);
- /* Kick the link in case it is idling */
-+ spin_lock_irqsave(&gsm->tx_lock, flags);
- gsm_data_kick(gsm);
-+ spin_unlock_irqrestore(&gsm->tx_lock, flags);
-+ break;
-+ case CMD_FCOFF:
-+ /* Modem wants us to STFU */
-+ gsm->constipated = 1;
-+ gsm_control_reply(gsm, CMD_FCOFF, NULL, 0);
- break;
- case CMD_MSC:
- /* Out of band modem line change indicator for a DLCI */
-@@ -1668,7 +1677,7 @@ static void gsm_dlci_free(struct kref *ref)
- dlci->gsm->dlci[dlci->addr] = NULL;
- kfifo_free(dlci->fifo);
- while ((dlci->skb = skb_dequeue(&dlci->skb_list)))
-- kfree_skb(dlci->skb);
-+ dev_kfree_skb(dlci->skb);
- kfree(dlci);
- }
-
-@@ -2007,7 +2016,7 @@ void gsm_cleanup_mux(struct gsm_mux *gsm)
- {
- int i;
- struct gsm_dlci *dlci = gsm->dlci[0];
-- struct gsm_msg *txq;
-+ struct gsm_msg *txq, *ntxq;
- struct gsm_control *gc;
-
- gsm->dead = 1;
-@@ -2042,11 +2051,9 @@ void gsm_cleanup_mux(struct gsm_mux *gsm)
- if (gsm->dlci[i])
- gsm_dlci_release(gsm->dlci[i]);
- /* Now wipe the queues */
-- for (txq = gsm->tx_head; txq != NULL; txq = gsm->tx_head) {
-- gsm->tx_head = txq->next;
-+ list_for_each_entry_safe(txq, ntxq, &gsm->tx_list, list)
- kfree(txq);
-- }
-- gsm->tx_tail = NULL;
-+ INIT_LIST_HEAD(&gsm->tx_list);
- }
- EXPORT_SYMBOL_GPL(gsm_cleanup_mux);
-
-@@ -2157,6 +2164,7 @@ struct gsm_mux *gsm_alloc_mux(void)
- }
- spin_lock_init(&gsm->lock);
- kref_init(&gsm->ref);
-+ INIT_LIST_HEAD(&gsm->tx_list);
-
- gsm->t1 = T1;
- gsm->t2 = T2;
-@@ -2273,7 +2281,7 @@ static void gsmld_receive_buf(struct tty_struct *tty, const unsigned char *cp,
- gsm->error(gsm, *dp, flags);
- break;
- default:
-- WARN_ONCE("%s: unknown flag %d\n",
-+ WARN_ONCE(1, "%s: unknown flag %d\n",
- tty_name(tty, buf), flags);
- break;
- }
-@@ -2377,12 +2385,12 @@ static void gsmld_write_wakeup(struct tty_struct *tty)
-
- /* Queue poll */
- clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
-+ spin_lock_irqsave(&gsm->tx_lock, flags);
- gsm_data_kick(gsm);
- if (gsm->tx_bytes < TX_THRESH_LO) {
-- spin_lock_irqsave(&gsm->tx_lock, flags);
- gsm_dlci_data_sweep(gsm);
-- spin_unlock_irqrestore(&gsm->tx_lock, flags);
- }
-+ spin_unlock_irqrestore(&gsm->tx_lock, flags);
- }
-
- /**
-@@ -2889,6 +2897,10 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp)
- gsm = gsm_mux[mux];
- if (gsm->dead)
- return -EL2HLT;
-+ /* If DLCI 0 is not yet fully open return an error. This is ok from a locking
-+ perspective as we don't have to worry about this if DLCI0 is lost */
-+ if (gsm->dlci[0] && gsm->dlci[0]->state != DLCI_OPEN)
-+ return -EL2NSYNC;
- dlci = gsm->dlci[line];
- if (dlci == NULL)
- dlci = gsm_dlci_alloc(gsm, line);
-diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
-index 39d6ab6..8481aae 100644
---- a/drivers/tty/n_tty.c
-+++ b/drivers/tty/n_tty.c
-@@ -1728,7 +1728,8 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
-
- do_it_again:
-
-- BUG_ON(!tty->read_buf);
-+ if (WARN_ON(!tty->read_buf))
-+ return -EAGAIN;
-
- c = job_control(tty, file);
- if (c < 0)
-diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250_pci.c
-index 482d51e..e7d82c1 100644
---- a/drivers/tty/serial/8250_pci.c
-+++ b/drivers/tty/serial/8250_pci.c
-@@ -1118,6 +1118,8 @@ pci_xr17c154_setup(struct serial_private *priv,
- #define PCI_SUBDEVICE_ID_OCTPRO422 0x0208
- #define PCI_SUBDEVICE_ID_POCTAL232 0x0308
- #define PCI_SUBDEVICE_ID_POCTAL422 0x0408
-+#define PCI_SUBDEVICE_ID_SIIG_DUAL_00 0x2500
-+#define PCI_SUBDEVICE_ID_SIIG_DUAL_30 0x2530
- #define PCI_VENDOR_ID_ADVANTECH 0x13fe
- #define PCI_DEVICE_ID_INTEL_CE4100_UART 0x2e66
- #define PCI_DEVICE_ID_ADVANTECH_PCI3620 0x3620
-@@ -3168,8 +3170,11 @@ static struct pci_device_id serial_pci_tbl[] = {
- * For now just used the hex ID 0x950a.
- */
- { PCI_VENDOR_ID_OXSEMI, 0x950a,
-- PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_DUAL_SERIAL, 0, 0,
-- pbn_b0_2_115200 },
-+ PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_DUAL_00,
-+ 0, 0, pbn_b0_2_115200 },
-+ { PCI_VENDOR_ID_OXSEMI, 0x950a,
-+ PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_DUAL_30,
-+ 0, 0, pbn_b0_2_115200 },
- { PCI_VENDOR_ID_OXSEMI, 0x950a,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_b0_2_1130000 },
-diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
-index 6da8cf8..fe9f111 100644
---- a/drivers/tty/serial/amba-pl011.c
-+++ b/drivers/tty/serial/amba-pl011.c
-@@ -1627,13 +1627,26 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios,
- old_cr &= ~ST_UART011_CR_OVSFACT;
- }
-
-+ /*
-+ * Workaround for the ST Micro oversampling variants to
-+ * increase the bitrate slightly, by lowering the divisor,
-+ * to avoid delayed sampling of start bit at high speeds,
-+ * else we see data corruption.
-+ */
-+ if (uap->vendor->oversampling) {
-+ if ((baud >= 3000000) && (baud < 3250000) && (quot > 1))
-+ quot -= 1;
-+ else if ((baud > 3250000) && (quot > 2))
-+ quot -= 2;
-+ }
- /* Set baud rate */
- writew(quot & 0x3f, port->membase + UART011_FBRD);
- writew(quot >> 6, port->membase + UART011_IBRD);
-
- /*
- * ----------v----------v----------v----------v-----
-- * NOTE: MUST BE WRITTEN AFTER UARTLCR_M & UARTLCR_L
-+ * NOTE: lcrh_tx and lcrh_rx MUST BE WRITTEN AFTER
-+ * UART011_FBRD & UART011_IBRD.
- * ----------^----------^----------^----------^-----
- */
- writew(lcr_h, port->membase + uap->lcrh_rx);
-diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
-index a40ab98..4cddbfc 100644
---- a/drivers/usb/host/xhci-mem.c
-+++ b/drivers/usb/host/xhci-mem.c
-@@ -1680,6 +1680,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
- {
- struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller);
- struct dev_info *dev_info, *next;
-+ struct xhci_cd *cur_cd, *next_cd;
- unsigned long flags;
- int size;
- int i, j, num_ports;
-@@ -1701,6 +1702,11 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
- xhci_ring_free(xhci, xhci->cmd_ring);
- xhci->cmd_ring = NULL;
- xhci_dbg(xhci, "Freed command ring\n");
-+ list_for_each_entry_safe(cur_cd, next_cd,
-+ &xhci->cancel_cmd_list, cancel_cmd_list) {
-+ list_del(&cur_cd->cancel_cmd_list);
-+ kfree(cur_cd);
-+ }
-
- for (i = 1; i < MAX_HC_SLOTS; ++i)
- xhci_free_virt_device(xhci, i);
-@@ -2246,6 +2252,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
- xhci->cmd_ring = xhci_ring_alloc(xhci, 1, true, false, flags);
- if (!xhci->cmd_ring)
- goto fail;
-+ INIT_LIST_HEAD(&xhci->cancel_cmd_list);
- xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring);
- xhci_dbg(xhci, "First segment DMA is 0x%llx\n",
- (unsigned long long)xhci->cmd_ring->first_seg->dma);
-diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
-index bddcbfc..4ed7572 100644
---- a/drivers/usb/host/xhci-pci.c
-+++ b/drivers/usb/host/xhci-pci.c
-@@ -99,6 +99,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
- * PPT chipsets.
- */
- xhci->quirks |= XHCI_SPURIOUS_REBOOT;
-+ xhci->quirks |= XHCI_AVOID_BEI;
- }
- if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
- pdev->device == PCI_DEVICE_ID_ASROCK_P67) {
-diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
-index c7c530c..950aef8 100644
---- a/drivers/usb/host/xhci-ring.c
-+++ b/drivers/usb/host/xhci-ring.c
-@@ -309,12 +309,123 @@ static int room_on_ring(struct xhci_hcd *xhci, struct xhci_ring *ring,
- /* Ring the host controller doorbell after placing a command on the ring */
- void xhci_ring_cmd_db(struct xhci_hcd *xhci)
- {
-+ if (!(xhci->cmd_ring_state & CMD_RING_STATE_RUNNING))
-+ return;
-+
- xhci_dbg(xhci, "// Ding dong!\n");
- xhci_writel(xhci, DB_VALUE_HOST, &xhci->dba->doorbell[0]);
- /* Flush PCI posted writes */
- xhci_readl(xhci, &xhci->dba->doorbell[0]);
- }
-
-+static int xhci_abort_cmd_ring(struct xhci_hcd *xhci)
-+{
-+ u64 temp_64;
-+ int ret;
-+
-+ xhci_dbg(xhci, "Abort command ring\n");
-+
-+ if (!(xhci->cmd_ring_state & CMD_RING_STATE_RUNNING)) {
-+ xhci_dbg(xhci, "The command ring isn't running, "
-+ "Have the command ring been stopped?\n");
-+ return 0;
-+ }
-+
-+ temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
-+ if (!(temp_64 & CMD_RING_RUNNING)) {
-+ xhci_dbg(xhci, "Command ring had been stopped\n");
-+ return 0;
-+ }
-+ xhci->cmd_ring_state = CMD_RING_STATE_ABORTED;
-+ xhci_write_64(xhci, temp_64 | CMD_RING_ABORT,
-+ &xhci->op_regs->cmd_ring);
-+
-+ /* Section 4.6.1.2 of xHCI 1.0 spec says software should
-+ * time the completion od all xHCI commands, including
-+ * the Command Abort operation. If software doesn't see
-+ * CRR negated in a timely manner (e.g. longer than 5
-+ * seconds), then it should assume that the there are
-+ * larger problems with the xHC and assert HCRST.
-+ */
-+ ret = handshake(xhci, &xhci->op_regs->cmd_ring,
-+ CMD_RING_RUNNING, 0, 5 * 1000 * 1000);
-+ if (ret < 0) {
-+ xhci_err(xhci, "Stopped the command ring failed, "
-+ "maybe the host is dead\n");
-+ xhci->xhc_state |= XHCI_STATE_DYING;
-+ xhci_quiesce(xhci);
-+ xhci_halt(xhci);
-+ return -ESHUTDOWN;
-+ }
-+
-+ return 0;
-+}
-+
-+static int xhci_queue_cd(struct xhci_hcd *xhci,
-+ struct xhci_command *command,
-+ union xhci_trb *cmd_trb)
-+{
-+ struct xhci_cd *cd;
-+ cd = kzalloc(sizeof(struct xhci_cd), GFP_ATOMIC);
-+ if (!cd)
-+ return -ENOMEM;
-+ INIT_LIST_HEAD(&cd->cancel_cmd_list);
-+
-+ cd->command = command;
-+ cd->cmd_trb = cmd_trb;
-+ list_add_tail(&cd->cancel_cmd_list, &xhci->cancel_cmd_list);
-+
-+ return 0;
-+}
-+
-+/*
-+ * Cancel the command which has issue.
-+ *
-+ * Some commands may hang due to waiting for acknowledgement from
-+ * usb device. It is outside of the xHC's ability to control and
-+ * will cause the command ring is blocked. When it occurs software
-+ * should intervene to recover the command ring.
-+ * See Section 4.6.1.1 and 4.6.1.2
-+ */
-+int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command,
-+ union xhci_trb *cmd_trb)
-+{
-+ int retval = 0;
-+ unsigned long flags;
-+
-+ spin_lock_irqsave(&xhci->lock, flags);
-+
-+ if (xhci->xhc_state & XHCI_STATE_DYING) {
-+ xhci_warn(xhci, "Abort the command ring,"
-+ " but the xHCI is dead.\n");
-+ retval = -ESHUTDOWN;
-+ goto fail;
-+ }
-+
-+ /* queue the cmd desriptor to cancel_cmd_list */
-+ retval = xhci_queue_cd(xhci, command, cmd_trb);
-+ if (retval) {
-+ xhci_warn(xhci, "Queuing command descriptor failed.\n");
-+ goto fail;
-+ }
-+
-+ /* abort command ring */
-+ retval = xhci_abort_cmd_ring(xhci);
-+ if (retval) {
-+ xhci_err(xhci, "Abort command ring failed\n");
-+ if (unlikely(retval == -ESHUTDOWN)) {
-+ spin_unlock_irqrestore(&xhci->lock, flags);
-+ usb_hc_died(xhci_to_hcd(xhci)->primary_hcd);
-+ xhci_dbg(xhci, "xHCI host controller is dead.\n");
-+ return retval;
-+ }
-+ }
-+
-+fail:
-+ spin_unlock_irqrestore(&xhci->lock, flags);
-+ return retval;
-+}
-+
- void xhci_ring_ep_doorbell(struct xhci_hcd *xhci,
- unsigned int slot_id,
- unsigned int ep_index,
-@@ -1043,6 +1154,20 @@ static void handle_reset_ep_completion(struct xhci_hcd *xhci,
- }
- }
-
-+/* Complete the command and detele it from the devcie's command queue.
-+ */
-+static void xhci_complete_cmd_in_cmd_wait_list(struct xhci_hcd *xhci,
-+ struct xhci_command *command, u32 status)
-+{
-+ command->status = status;
-+ list_del(&command->cmd_list);
-+ if (command->completion)
-+ complete(command->completion);
-+ else
-+ xhci_free_command(xhci, command);
-+}
-+
-+
- /* Check to see if a command in the device's command queue matches this one.
- * Signal the completion or free the command, and return 1. Return 0 if the
- * completed command isn't at the head of the command list.
-@@ -1061,15 +1186,144 @@ static int handle_cmd_in_cmd_wait_list(struct xhci_hcd *xhci,
- if (xhci->cmd_ring->dequeue != command->command_trb)
- return 0;
-
-- command->status = GET_COMP_CODE(le32_to_cpu(event->status));
-- list_del(&command->cmd_list);
-- if (command->completion)
-- complete(command->completion);
-- else
-- xhci_free_command(xhci, command);
-+ xhci_complete_cmd_in_cmd_wait_list(xhci, command,
-+ GET_COMP_CODE(le32_to_cpu(event->status)));
- return 1;
- }
-
-+/*
-+ * Finding the command trb need to be cancelled and modifying it to
-+ * NO OP command. And if the command is in device's command wait
-+ * list, finishing and freeing it.
-+ *
-+ * If we can't find the command trb, we think it had already been
-+ * executed.
-+ */
-+static void xhci_cmd_to_noop(struct xhci_hcd *xhci, struct xhci_cd *cur_cd)
-+{
-+ struct xhci_segment *cur_seg;
-+ union xhci_trb *cmd_trb;
-+ u32 cycle_state;
-+
-+ if (xhci->cmd_ring->dequeue == xhci->cmd_ring->enqueue)
-+ return;
-+
-+ /* find the current segment of command ring */
-+ cur_seg = find_trb_seg(xhci->cmd_ring->first_seg,
-+ xhci->cmd_ring->dequeue, &cycle_state);
-+
-+ /* find the command trb matched by cd from command ring */
-+ for (cmd_trb = xhci->cmd_ring->dequeue;
-+ cmd_trb != xhci->cmd_ring->enqueue;
-+ next_trb(xhci, xhci->cmd_ring, &cur_seg, &cmd_trb)) {
-+ /* If the trb is link trb, continue */
-+ if (TRB_TYPE_LINK_LE32(cmd_trb->generic.field[3]))
-+ continue;
-+
-+ if (cur_cd->cmd_trb == cmd_trb) {
-+
-+ /* If the command in device's command list, we should
-+ * finish it and free the command structure.
-+ */
-+ if (cur_cd->command)
-+ xhci_complete_cmd_in_cmd_wait_list(xhci,
-+ cur_cd->command, COMP_CMD_STOP);
-+
-+ /* get cycle state from the origin command trb */
-+ cycle_state = le32_to_cpu(cmd_trb->generic.field[3])
-+ & TRB_CYCLE;
-+
-+ /* modify the command trb to NO OP command */
-+ cmd_trb->generic.field[0] = 0;
-+ cmd_trb->generic.field[1] = 0;
-+ cmd_trb->generic.field[2] = 0;
-+ cmd_trb->generic.field[3] = cpu_to_le32(
-+ TRB_TYPE(TRB_CMD_NOOP) | cycle_state);
-+ break;
-+ }
-+ }
-+}
-+
-+static void xhci_cancel_cmd_in_cd_list(struct xhci_hcd *xhci)
-+{
-+ struct xhci_cd *cur_cd, *next_cd;
-+
-+ if (list_empty(&xhci->cancel_cmd_list))
-+ return;
-+
-+ list_for_each_entry_safe(cur_cd, next_cd,
-+ &xhci->cancel_cmd_list, cancel_cmd_list) {
-+ xhci_cmd_to_noop(xhci, cur_cd);
-+ list_del(&cur_cd->cancel_cmd_list);
-+ kfree(cur_cd);
-+ }
-+}
-+
-+/*
-+ * traversing the cancel_cmd_list. If the command descriptor according
-+ * to cmd_trb is found, the function free it and return 1, otherwise
-+ * return 0.
-+ */
-+static int xhci_search_cmd_trb_in_cd_list(struct xhci_hcd *xhci,
-+ union xhci_trb *cmd_trb)
-+{
-+ struct xhci_cd *cur_cd, *next_cd;
-+
-+ if (list_empty(&xhci->cancel_cmd_list))
-+ return 0;
-+
-+ list_for_each_entry_safe(cur_cd, next_cd,
-+ &xhci->cancel_cmd_list, cancel_cmd_list) {
-+ if (cur_cd->cmd_trb == cmd_trb) {
-+ if (cur_cd->command)
-+ xhci_complete_cmd_in_cmd_wait_list(xhci,
-+ cur_cd->command, COMP_CMD_STOP);
-+ list_del(&cur_cd->cancel_cmd_list);
-+ kfree(cur_cd);
-+ return 1;
-+ }
-+ }
-+
-+ return 0;
-+}
-+
-+/*
-+ * If the cmd_trb_comp_code is COMP_CMD_ABORT, we just check whether the
-+ * trb pointed by the command ring dequeue pointer is the trb we want to
-+ * cancel or not. And if the cmd_trb_comp_code is COMP_CMD_STOP, we will
-+ * traverse the cancel_cmd_list to trun the all of the commands according
-+ * to command descriptor to NO-OP trb.
-+ */
-+static int handle_stopped_cmd_ring(struct xhci_hcd *xhci,
-+ int cmd_trb_comp_code)
-+{
-+ int cur_trb_is_good = 0;
-+
-+ /* Searching the cmd trb pointed by the command ring dequeue
-+ * pointer in command descriptor list. If it is found, free it.
-+ */
-+ cur_trb_is_good = xhci_search_cmd_trb_in_cd_list(xhci,
-+ xhci->cmd_ring->dequeue);
-+
-+ if (cmd_trb_comp_code == COMP_CMD_ABORT)
-+ xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
-+ else if (cmd_trb_comp_code == COMP_CMD_STOP) {
-+ /* traversing the cancel_cmd_list and canceling
-+ * the command according to command descriptor
-+ */
-+ xhci_cancel_cmd_in_cd_list(xhci);
-+
-+ xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
-+ /*
-+ * ring command ring doorbell again to restart the
-+ * command ring
-+ */
-+ if (xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue)
-+ xhci_ring_cmd_db(xhci);
-+ }
-+ return cur_trb_is_good;
-+}
-+
- static void handle_cmd_completion(struct xhci_hcd *xhci,
- struct xhci_event_cmd *event)
- {
-@@ -1095,6 +1349,22 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
- xhci->error_bitmask |= 1 << 5;
- return;
- }
-+
-+ if ((GET_COMP_CODE(le32_to_cpu(event->status)) == COMP_CMD_ABORT) ||
-+ (GET_COMP_CODE(le32_to_cpu(event->status)) == COMP_CMD_STOP)) {
-+ /* If the return value is 0, we think the trb pointed by
-+ * command ring dequeue pointer is a good trb. The good
-+ * trb means we don't want to cancel the trb, but it have
-+ * been stopped by host. So we should handle it normally.
-+ * Otherwise, driver should invoke inc_deq() and return.
-+ */
-+ if (handle_stopped_cmd_ring(xhci,
-+ GET_COMP_CODE(le32_to_cpu(event->status)))) {
-+ inc_deq(xhci, xhci->cmd_ring, false);
-+ return;
-+ }
-+ }
-+
- switch (le32_to_cpu(xhci->cmd_ring->dequeue->generic.field[3])
- & TRB_TYPE_BITMASK) {
- case TRB_TYPE(TRB_ENABLE_SLOT):
-@@ -3356,7 +3626,9 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
- } else {
- td->last_trb = ep_ring->enqueue;
- field |= TRB_IOC;
-- if (xhci->hci_version == 0x100) {
-+ if (xhci->hci_version == 0x100 &&
-+ !(xhci->quirks &
-+ XHCI_AVOID_BEI)) {
- /* Set BEI bit except for the last td */
- if (i < num_tds - 1)
- field |= TRB_BEI;
-diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
-index 09872ee..f5c0f38 100644
---- a/drivers/usb/host/xhci.c
-+++ b/drivers/usb/host/xhci.c
-@@ -52,7 +52,7 @@ MODULE_PARM_DESC(link_quirk, "Don't clear the chain bit on a link TRB");
- * handshake done). There are two failure modes: "usec" have passed (major
- * hardware flakeout), or the register reads as all-ones (hardware removed).
- */
--static int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
-+int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
- u32 mask, u32 done, int usec)
- {
- u32 result;
-@@ -105,8 +105,12 @@ int xhci_halt(struct xhci_hcd *xhci)
-
- ret = handshake(xhci, &xhci->op_regs->status,
- STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC);
-- if (!ret)
-+ if (!ret) {
- xhci->xhc_state |= XHCI_STATE_HALTED;
-+ xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
-+ } else
-+ xhci_warn(xhci, "Host not halted after %u microseconds.\n",
-+ XHCI_MAX_HALT_USEC);
- return ret;
- }
-
-@@ -459,6 +463,8 @@ static bool compliance_mode_recovery_timer_quirk_check(void)
-
- dmi_product_name = dmi_get_system_info(DMI_PRODUCT_NAME);
- dmi_sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR);
-+ if (!dmi_product_name || !dmi_sys_vendor)
-+ return false;
-
- if (!(strstr(dmi_sys_vendor, "Hewlett-Packard")))
- return false;
-@@ -570,6 +576,7 @@ static int xhci_run_finished(struct xhci_hcd *xhci)
- return -ENODEV;
- }
- xhci->shared_hcd->state = HC_STATE_RUNNING;
-+ xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
-
- if (xhci->quirks & XHCI_NEC_HOST)
- xhci_ring_cmd_db(xhci);
-@@ -874,7 +881,7 @@ int xhci_suspend(struct xhci_hcd *xhci)
- command &= ~CMD_RUN;
- xhci_writel(xhci, command, &xhci->op_regs->command);
- if (handshake(xhci, &xhci->op_regs->status,
-- STS_HALT, STS_HALT, 100*100)) {
-+ STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC)) {
- xhci_warn(xhci, "WARN: xHC CMD_RUN timeout\n");
- spin_unlock_irq(&xhci->lock);
- return -ETIMEDOUT;
-@@ -2506,6 +2513,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
- struct completion *cmd_completion;
- u32 *cmd_status;
- struct xhci_virt_device *virt_dev;
-+ union xhci_trb *cmd_trb;
-
- spin_lock_irqsave(&xhci->lock, flags);
- virt_dev = xhci->devs[udev->slot_id];
-@@ -2551,6 +2559,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
- }
- init_completion(cmd_completion);
-
-+ cmd_trb = xhci->cmd_ring->dequeue;
- if (!ctx_change)
- ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma,
- udev->slot_id, must_succeed);
-@@ -2572,14 +2581,17 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
- /* Wait for the configure endpoint command to complete */
- timeleft = wait_for_completion_interruptible_timeout(
- cmd_completion,
-- USB_CTRL_SET_TIMEOUT);
-+ XHCI_CMD_DEFAULT_TIMEOUT);
- if (timeleft <= 0) {
- xhci_warn(xhci, "%s while waiting for %s command\n",
- timeleft == 0 ? "Timeout" : "Signal",
- ctx_change == 0 ?
- "configure endpoint" :
- "evaluate context");
-- /* FIXME cancel the configure endpoint command */
-+ /* cancel the configure endpoint command */
-+ ret = xhci_cancel_cmd(xhci, command, cmd_trb);
-+ if (ret < 0)
-+ return ret;
- return -ETIME;
- }
-
-@@ -3528,8 +3540,10 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
- unsigned long flags;
- int timeleft;
- int ret;
-+ union xhci_trb *cmd_trb;
-
- spin_lock_irqsave(&xhci->lock, flags);
-+ cmd_trb = xhci->cmd_ring->dequeue;
- ret = xhci_queue_slot_control(xhci, TRB_ENABLE_SLOT, 0);
- if (ret) {
- spin_unlock_irqrestore(&xhci->lock, flags);
-@@ -3541,12 +3555,12 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
-
- /* XXX: how much time for xHC slot assignment? */
- timeleft = wait_for_completion_interruptible_timeout(&xhci->addr_dev,
-- USB_CTRL_SET_TIMEOUT);
-+ XHCI_CMD_DEFAULT_TIMEOUT);
- if (timeleft <= 0) {
- xhci_warn(xhci, "%s while waiting for a slot\n",
- timeleft == 0 ? "Timeout" : "Signal");
-- /* FIXME cancel the enable slot request */
-- return 0;
-+ /* cancel the enable slot request */
-+ return xhci_cancel_cmd(xhci, NULL, cmd_trb);
- }
-
- if (!xhci->slot_id) {
-@@ -3607,6 +3621,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
- struct xhci_slot_ctx *slot_ctx;
- struct xhci_input_control_ctx *ctrl_ctx;
- u64 temp_64;
-+ union xhci_trb *cmd_trb;
-
- if (!udev->slot_id) {
- xhci_dbg(xhci, "Bad Slot ID %d\n", udev->slot_id);
-@@ -3645,6 +3660,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
- xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2);
-
- spin_lock_irqsave(&xhci->lock, flags);
-+ cmd_trb = xhci->cmd_ring->dequeue;
- ret = xhci_queue_address_device(xhci, virt_dev->in_ctx->dma,
- udev->slot_id);
- if (ret) {
-@@ -3657,7 +3673,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
-
- /* ctrl tx can take up to 5 sec; XXX: need more time for xHC? */
- timeleft = wait_for_completion_interruptible_timeout(&xhci->addr_dev,
-- USB_CTRL_SET_TIMEOUT);
-+ XHCI_CMD_DEFAULT_TIMEOUT);
- /* FIXME: From section 4.3.4: "Software shall be responsible for timing
- * the SetAddress() "recovery interval" required by USB and aborting the
- * command on a timeout.
-@@ -3665,7 +3681,10 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
- if (timeleft <= 0) {
- xhci_warn(xhci, "%s while waiting for address device command\n",
- timeleft == 0 ? "Timeout" : "Signal");
-- /* FIXME cancel the address device command */
-+ /* cancel the address device command */
-+ ret = xhci_cancel_cmd(xhci, NULL, cmd_trb);
-+ if (ret < 0)
-+ return ret;
- return -ETIME;
- }
-
-diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
-index 44d518a..cc368c2 100644
---- a/drivers/usb/host/xhci.h
-+++ b/drivers/usb/host/xhci.h
-@@ -1255,6 +1255,16 @@ struct xhci_td {
- union xhci_trb *last_trb;
- };
-
-+/* xHCI command default timeout value */
-+#define XHCI_CMD_DEFAULT_TIMEOUT (5 * HZ)
-+
-+/* command descriptor */
-+struct xhci_cd {
-+ struct list_head cancel_cmd_list;
-+ struct xhci_command *command;
-+ union xhci_trb *cmd_trb;
-+};
-+
- struct xhci_dequeue_state {
- struct xhci_segment *new_deq_seg;
- union xhci_trb *new_deq_ptr;
-@@ -1402,6 +1412,11 @@ struct xhci_hcd {
- /* data structures */
- struct xhci_device_context_array *dcbaa;
- struct xhci_ring *cmd_ring;
-+ unsigned int cmd_ring_state;
-+#define CMD_RING_STATE_RUNNING (1 << 0)
-+#define CMD_RING_STATE_ABORTED (1 << 1)
-+#define CMD_RING_STATE_STOPPED (1 << 2)
-+ struct list_head cancel_cmd_list;
- unsigned int cmd_ring_reserved_trbs;
- struct xhci_ring *event_ring;
- struct xhci_erst erst;
-@@ -1473,6 +1488,7 @@ struct xhci_hcd {
- #define XHCI_TRUST_TX_LENGTH (1 << 10)
- #define XHCI_SPURIOUS_REBOOT (1 << 13)
- #define XHCI_COMP_MODE_QUIRK (1 << 14)
-+#define XHCI_AVOID_BEI (1 << 15)
- unsigned int num_active_eps;
- unsigned int limit_active_eps;
- /* There are two roothubs to keep track of bus suspend info for */
-@@ -1666,6 +1682,8 @@ static inline void xhci_unregister_pci(void) {}
-
- /* xHCI host controller glue */
- typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *);
-+int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
-+ u32 mask, u32 done, int usec);
- void xhci_quiesce(struct xhci_hcd *xhci);
- int xhci_halt(struct xhci_hcd *xhci);
- int xhci_reset(struct xhci_hcd *xhci);
-@@ -1756,6 +1774,8 @@ void xhci_queue_config_ep_quirk(struct xhci_hcd *xhci,
- unsigned int slot_id, unsigned int ep_index,
- struct xhci_dequeue_state *deq_state);
- void xhci_stop_endpoint_command_watchdog(unsigned long arg);
-+int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command,
-+ union xhci_trb *cmd_trb);
- void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
- unsigned int ep_index, unsigned int stream_id);
-
-diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
-index 7324bea..e29a664 100644
---- a/drivers/usb/serial/ftdi_sio.c
-+++ b/drivers/usb/serial/ftdi_sio.c
-@@ -584,6 +584,8 @@ static struct usb_device_id id_table_combined [] = {
- { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
- { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
- { USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
-+ { USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
-+ .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- /*
- * ELV devices:
- */
-diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
-index 06f6fd2..7b5eb74 100644
---- a/drivers/usb/serial/ftdi_sio_ids.h
-+++ b/drivers/usb/serial/ftdi_sio_ids.h
-@@ -517,6 +517,11 @@
- */
- #define FTDI_TAVIR_STK500_PID 0xFA33 /* STK500 AVR programmer */
-
-+/*
-+ * TIAO product ids (FTDI_VID)
-+ * http://www.tiaowiki.com/w/Main_Page
-+ */
-+#define FTDI_TIAO_UMPA_PID 0x8a98 /* TIAO/DIYGADGET USB Multi-Protocol Adapter */
-
-
- /********************************/
-diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
-index c068b4d..3fd4e6f 100644
---- a/drivers/usb/serial/option.c
-+++ b/drivers/usb/serial/option.c
-@@ -870,7 +870,8 @@ static const struct usb_device_id option_ids[] = {
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0153, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0155, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0156, 0xff, 0xff, 0xff) },
-- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff) },
-+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff),
-+ .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0158, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0159, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0161, 0xff, 0xff, 0xff) },
-diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c
-index a348198..87271e3 100644
---- a/drivers/usb/serial/qcaux.c
-+++ b/drivers/usb/serial/qcaux.c
-@@ -36,8 +36,6 @@
- #define UTSTARCOM_PRODUCT_UM175_V1 0x3712
- #define UTSTARCOM_PRODUCT_UM175_V2 0x3714
- #define UTSTARCOM_PRODUCT_UM175_ALLTEL 0x3715
--#define PANTECH_PRODUCT_UML190_VZW 0x3716
--#define PANTECH_PRODUCT_UML290_VZW 0x3718
-
- /* CMOTECH devices */
- #define CMOTECH_VENDOR_ID 0x16d8
-@@ -68,11 +66,9 @@ static struct usb_device_id id_table[] = {
- { USB_DEVICE_AND_INTERFACE_INFO(LG_VENDOR_ID, LG_PRODUCT_VX4400_6000, 0xff, 0xff, 0x00) },
- { USB_DEVICE_AND_INTERFACE_INFO(SANYO_VENDOR_ID, SANYO_PRODUCT_KATANA_LX, 0xff, 0xff, 0x00) },
- { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_U520, 0xff, 0x00, 0x00) },
-- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML190_VZW, 0xff, 0xff, 0xff) },
-- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML190_VZW, 0xff, 0xfe, 0xff) },
-- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xfd, 0xff) }, /* NMEA */
-- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xfe, 0xff) }, /* WMC */
-- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xff, 0xff) }, /* DIAG */
-+ { USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfd, 0xff) }, /* NMEA */
-+ { USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfe, 0xff) }, /* WMC */
-+ { USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xff, 0xff) }, /* DIAG */
- { },
- };
- MODULE_DEVICE_TABLE(usb, id_table);
-diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
-index f55ae23..790fa63 100644
---- a/fs/autofs4/root.c
-+++ b/fs/autofs4/root.c
-@@ -392,10 +392,12 @@ static struct vfsmount *autofs4_d_automount(struct path *path)
- ino->flags |= AUTOFS_INF_PENDING;
- spin_unlock(&sbi->fs_lock);
- status = autofs4_mount_wait(dentry);
-- if (status)
-- return ERR_PTR(status);
- spin_lock(&sbi->fs_lock);
- ino->flags &= ~AUTOFS_INF_PENDING;
-+ if (status) {
-+ spin_unlock(&sbi->fs_lock);
-+ return ERR_PTR(status);
-+ }
- }
- done:
- if (!(ino->flags & AUTOFS_INF_EXPIRING)) {
-diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
-index 6ff96c6..8dd615c 100644
---- a/fs/binfmt_elf.c
-+++ b/fs/binfmt_elf.c
-@@ -1668,30 +1668,19 @@ static int elf_note_info_init(struct elf_note_info *info)
- return 0;
- info->psinfo = kmalloc(sizeof(*info->psinfo), GFP_KERNEL);
- if (!info->psinfo)
-- goto notes_free;
-+ return 0;
- info->prstatus = kmalloc(sizeof(*info->prstatus), GFP_KERNEL);
- if (!info->prstatus)
-- goto psinfo_free;
-+ return 0;
- info->fpu = kmalloc(sizeof(*info->fpu), GFP_KERNEL);
- if (!info->fpu)
-- goto prstatus_free;
-+ return 0;
- #ifdef ELF_CORE_COPY_XFPREGS
- info->xfpu = kmalloc(sizeof(*info->xfpu), GFP_KERNEL);
- if (!info->xfpu)
-- goto fpu_free;
-+ return 0;
- #endif
- return 1;
--#ifdef ELF_CORE_COPY_XFPREGS
-- fpu_free:
-- kfree(info->fpu);
--#endif
-- prstatus_free:
-- kfree(info->prstatus);
-- psinfo_free:
-- kfree(info->psinfo);
-- notes_free:
-- kfree(info->notes);
-- return 0;
- }
-
- static int fill_note_info(struct elfhdr *elf, int phdrs,
-diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
-index a9f29b1..2262a77 100644
---- a/fs/ecryptfs/ecryptfs_kernel.h
-+++ b/fs/ecryptfs/ecryptfs_kernel.h
-@@ -559,6 +559,8 @@ struct ecryptfs_open_req {
- struct inode *ecryptfs_get_inode(struct inode *lower_inode,
- struct super_block *sb);
- void ecryptfs_i_size_init(const char *page_virt, struct inode *inode);
-+int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
-+ struct inode *ecryptfs_inode);
- int ecryptfs_decode_and_decrypt_filename(char **decrypted_name,
- size_t *decrypted_name_size,
- struct dentry *ecryptfs_dentry,
-diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
-index d3f95f9..841f24f 100644
---- a/fs/ecryptfs/file.c
-+++ b/fs/ecryptfs/file.c
-@@ -139,29 +139,50 @@ out:
- return rc;
- }
-
--static void ecryptfs_vma_close(struct vm_area_struct *vma)
--{
-- filemap_write_and_wait(vma->vm_file->f_mapping);
--}
--
--static const struct vm_operations_struct ecryptfs_file_vm_ops = {
-- .close = ecryptfs_vma_close,
-- .fault = filemap_fault,
--};
-+struct kmem_cache *ecryptfs_file_info_cache;
-
--static int ecryptfs_file_mmap(struct file *file, struct vm_area_struct *vma)
-+static int read_or_initialize_metadata(struct dentry *dentry)
- {
-+ struct inode *inode = dentry->d_inode;
-+ struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
-+ struct ecryptfs_crypt_stat *crypt_stat;
- int rc;
-
-- rc = generic_file_mmap(file, vma);
-+ crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat;
-+ mount_crypt_stat = &ecryptfs_superblock_to_private(
-+ inode->i_sb)->mount_crypt_stat;
-+ mutex_lock(&crypt_stat->cs_mutex);
-+
-+ if (crypt_stat->flags & ECRYPTFS_POLICY_APPLIED &&
-+ crypt_stat->flags & ECRYPTFS_KEY_VALID) {
-+ rc = 0;
-+ goto out;
-+ }
-+
-+ rc = ecryptfs_read_metadata(dentry);
- if (!rc)
-- vma->vm_ops = &ecryptfs_file_vm_ops;
-+ goto out;
-+
-+ if (mount_crypt_stat->flags & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED) {
-+ crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED
-+ | ECRYPTFS_ENCRYPTED);
-+ rc = 0;
-+ goto out;
-+ }
-+
-+ if (!(mount_crypt_stat->flags & ECRYPTFS_XATTR_METADATA_ENABLED) &&
-+ !i_size_read(ecryptfs_inode_to_lower(inode))) {
-+ rc = ecryptfs_initialize_file(dentry, inode);
-+ if (!rc)
-+ goto out;
-+ }
-
-+ rc = -EIO;
-+out:
-+ mutex_unlock(&crypt_stat->cs_mutex);
- return rc;
- }
-
--struct kmem_cache *ecryptfs_file_info_cache;
--
- /**
- * ecryptfs_open
- * @inode: inode speciying file to open
-@@ -237,32 +258,9 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
- rc = 0;
- goto out;
- }
-- mutex_lock(&crypt_stat->cs_mutex);
-- if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED)
-- || !(crypt_stat->flags & ECRYPTFS_KEY_VALID)) {
-- rc = ecryptfs_read_metadata(ecryptfs_dentry);
-- if (rc) {
-- ecryptfs_printk(KERN_DEBUG,
-- "Valid headers not found\n");
-- if (!(mount_crypt_stat->flags
-- & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED)) {
-- rc = -EIO;
-- printk(KERN_WARNING "Either the lower file "
-- "is not in a valid eCryptfs format, "
-- "or the key could not be retrieved. "
-- "Plaintext passthrough mode is not "
-- "enabled; returning -EIO\n");
-- mutex_unlock(&crypt_stat->cs_mutex);
-- goto out_put;
-- }
-- rc = 0;
-- crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED
-- | ECRYPTFS_ENCRYPTED);
-- mutex_unlock(&crypt_stat->cs_mutex);
-- goto out;
-- }
-- }
-- mutex_unlock(&crypt_stat->cs_mutex);
-+ rc = read_or_initialize_metadata(ecryptfs_dentry);
-+ if (rc)
-+ goto out_put;
- ecryptfs_printk(KERN_DEBUG, "inode w/ addr = [0x%p], i_ino = "
- "[0x%.16lx] size: [0x%.16llx]\n", inode, inode->i_ino,
- (unsigned long long)i_size_read(inode));
-@@ -278,8 +276,14 @@ out:
-
- static int ecryptfs_flush(struct file *file, fl_owner_t td)
- {
-- return file->f_mode & FMODE_WRITE
-- ? filemap_write_and_wait(file->f_mapping) : 0;
-+ struct file *lower_file = ecryptfs_file_to_lower(file);
-+
-+ if (lower_file->f_op && lower_file->f_op->flush) {
-+ filemap_write_and_wait(file->f_mapping);
-+ return lower_file->f_op->flush(lower_file, td);
-+ }
-+
-+ return 0;
- }
-
- static int ecryptfs_release(struct inode *inode, struct file *file)
-@@ -293,15 +297,7 @@ static int ecryptfs_release(struct inode *inode, struct file *file)
- static int
- ecryptfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
- {
-- int rc = 0;
--
-- rc = generic_file_fsync(file, start, end, datasync);
-- if (rc)
-- goto out;
-- rc = vfs_fsync_range(ecryptfs_file_to_lower(file), start, end,
-- datasync);
--out:
-- return rc;
-+ return vfs_fsync(ecryptfs_file_to_lower(file), datasync);
- }
-
- static int ecryptfs_fasync(int fd, struct file *file, int flag)
-@@ -370,7 +366,7 @@ const struct file_operations ecryptfs_main_fops = {
- #ifdef CONFIG_COMPAT
- .compat_ioctl = ecryptfs_compat_ioctl,
- #endif
-- .mmap = ecryptfs_file_mmap,
-+ .mmap = generic_file_mmap,
- .open = ecryptfs_open,
- .flush = ecryptfs_flush,
- .release = ecryptfs_release,
-diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
-index 7c7556b..a9be90d 100644
---- a/fs/ecryptfs/inode.c
-+++ b/fs/ecryptfs/inode.c
-@@ -161,6 +161,31 @@ ecryptfs_create_underlying_file(struct inode *lower_dir_inode,
- return vfs_create(lower_dir_inode, lower_dentry, mode, NULL);
- }
-
-+static int ecryptfs_do_unlink(struct inode *dir, struct dentry *dentry,
-+ struct inode *inode)
-+{
-+ struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
-+ struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir);
-+ struct dentry *lower_dir_dentry;
-+ int rc;
-+
-+ dget(lower_dentry);
-+ lower_dir_dentry = lock_parent(lower_dentry);
-+ rc = vfs_unlink(lower_dir_inode, lower_dentry);
-+ if (rc) {
-+ printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);
-+ goto out_unlock;
-+ }
-+ fsstack_copy_attr_times(dir, lower_dir_inode);
-+ set_nlink(inode, ecryptfs_inode_to_lower(inode)->i_nlink);
-+ inode->i_ctime = dir->i_ctime;
-+ d_drop(dentry);
-+out_unlock:
-+ unlock_dir(lower_dir_dentry);
-+ dput(lower_dentry);
-+ return rc;
-+}
-+
- /**
- * ecryptfs_do_create
- * @directory_inode: inode of the new file's dentry's parent in ecryptfs
-@@ -201,8 +226,10 @@ ecryptfs_do_create(struct inode *directory_inode,
- }
- inode = __ecryptfs_get_inode(lower_dentry->d_inode,
- directory_inode->i_sb);
-- if (IS_ERR(inode))
-+ if (IS_ERR(inode)) {
-+ vfs_unlink(lower_dir_dentry->d_inode, lower_dentry);
- goto out_lock;
-+ }
- fsstack_copy_attr_times(directory_inode, lower_dir_dentry->d_inode);
- fsstack_copy_inode_size(directory_inode, lower_dir_dentry->d_inode);
- out_lock:
-@@ -219,8 +246,8 @@ out:
- *
- * Returns zero on success
- */
--static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
-- struct inode *ecryptfs_inode)
-+int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
-+ struct inode *ecryptfs_inode)
- {
- struct ecryptfs_crypt_stat *crypt_stat =
- &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
-@@ -284,7 +311,9 @@ ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry,
- * that this on disk file is prepared to be an ecryptfs file */
- rc = ecryptfs_initialize_file(ecryptfs_dentry, ecryptfs_inode);
- if (rc) {
-- drop_nlink(ecryptfs_inode);
-+ ecryptfs_do_unlink(directory_inode, ecryptfs_dentry,
-+ ecryptfs_inode);
-+ make_bad_inode(ecryptfs_inode);
- unlock_new_inode(ecryptfs_inode);
- iput(ecryptfs_inode);
- goto out;
-@@ -496,27 +525,7 @@ out_lock:
-
- static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry)
- {
-- int rc = 0;
-- struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
-- struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir);
-- struct dentry *lower_dir_dentry;
--
-- dget(lower_dentry);
-- lower_dir_dentry = lock_parent(lower_dentry);
-- rc = vfs_unlink(lower_dir_inode, lower_dentry);
-- if (rc) {
-- printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);
-- goto out_unlock;
-- }
-- fsstack_copy_attr_times(dir, lower_dir_inode);
-- set_nlink(dentry->d_inode,
-- ecryptfs_inode_to_lower(dentry->d_inode)->i_nlink);
-- dentry->d_inode->i_ctime = dir->i_ctime;
-- d_drop(dentry);
--out_unlock:
-- unlock_dir(lower_dir_dentry);
-- dput(lower_dentry);
-- return rc;
-+ return ecryptfs_do_unlink(dir, dentry, dentry->d_inode);
- }
-
- static int ecryptfs_symlink(struct inode *dir, struct dentry *dentry,
-@@ -1026,12 +1035,6 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
- goto out;
- }
-
-- if (S_ISREG(inode->i_mode)) {
-- rc = filemap_write_and_wait(inode->i_mapping);
-- if (rc)
-- goto out;
-- fsstack_copy_attr_all(inode, lower_inode);
-- }
- memcpy(&lower_ia, ia, sizeof(lower_ia));
- if (ia->ia_valid & ATTR_FILE)
- lower_ia.ia_file = ecryptfs_file_to_lower(ia->ia_file);
-diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
-index b4a6bef..1cfef9f 100644
---- a/fs/ecryptfs/main.c
-+++ b/fs/ecryptfs/main.c
-@@ -162,6 +162,7 @@ void ecryptfs_put_lower_file(struct inode *inode)
- inode_info = ecryptfs_inode_to_private(inode);
- if (atomic_dec_and_mutex_lock(&inode_info->lower_file_count,
- &inode_info->lower_file_mutex)) {
-+ filemap_write_and_wait(inode->i_mapping);
- fput(inode_info->lower_file);
- inode_info->lower_file = NULL;
- mutex_unlock(&inode_info->lower_file_mutex);
-diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
-index 6a44148..93a998a 100644
---- a/fs/ecryptfs/mmap.c
-+++ b/fs/ecryptfs/mmap.c
-@@ -62,18 +62,6 @@ static int ecryptfs_writepage(struct page *page, struct writeback_control *wbc)
- {
- int rc;
-
-- /*
-- * Refuse to write the page out if we are called from reclaim context
-- * since our writepage() path may potentially allocate memory when
-- * calling into the lower fs vfs_write() which may in turn invoke
-- * us again.
-- */
-- if (current->flags & PF_MEMALLOC) {
-- redirty_page_for_writepage(wbc, page);
-- rc = 0;
-- goto out;
-- }
--
- rc = ecryptfs_encrypt_page(page);
- if (rc) {
- ecryptfs_printk(KERN_WARNING, "Error encrypting "
-@@ -498,7 +486,6 @@ static int ecryptfs_write_end(struct file *file,
- struct ecryptfs_crypt_stat *crypt_stat =
- &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
- int rc;
-- int need_unlock_page = 1;
-
- ecryptfs_printk(KERN_DEBUG, "Calling fill_zeros_to_end_of_page"
- "(page w/ index = [0x%.16lx], to = [%d])\n", index, to);
-@@ -519,26 +506,26 @@ static int ecryptfs_write_end(struct file *file,
- "zeros in page with index = [0x%.16lx]\n", index);
- goto out;
- }
-- set_page_dirty(page);
-- unlock_page(page);
-- need_unlock_page = 0;
-+ rc = ecryptfs_encrypt_page(page);
-+ if (rc) {
-+ ecryptfs_printk(KERN_WARNING, "Error encrypting page (upper "
-+ "index [0x%.16lx])\n", index);
-+ goto out;
-+ }
- if (pos + copied > i_size_read(ecryptfs_inode)) {
- i_size_write(ecryptfs_inode, pos + copied);
- ecryptfs_printk(KERN_DEBUG, "Expanded file size to "
- "[0x%.16llx]\n",
- (unsigned long long)i_size_read(ecryptfs_inode));
-- balance_dirty_pages_ratelimited(mapping);
-- rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode);
-- if (rc) {
-- printk(KERN_ERR "Error writing inode size to metadata; "
-- "rc = [%d]\n", rc);
-- goto out;
-- }
- }
-- rc = copied;
-+ rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode);
-+ if (rc)
-+ printk(KERN_ERR "Error writing inode size to metadata; "
-+ "rc = [%d]\n", rc);
-+ else
-+ rc = copied;
- out:
-- if (need_unlock_page)
-- unlock_page(page);
-+ unlock_page(page);
- page_cache_release(page);
- return rc;
- }
-diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
-index 8b01f9f..bac2330 100644
---- a/fs/ext4/inode.c
-+++ b/fs/ext4/inode.c
-@@ -2382,6 +2382,16 @@ static int ext4_nonda_switch(struct super_block *sb)
- free_blocks = EXT4_C2B(sbi,
- percpu_counter_read_positive(&sbi->s_freeclusters_counter));
- dirty_blocks = percpu_counter_read_positive(&sbi->s_dirtyclusters_counter);
-+ /*
-+ * Start pushing delalloc when 1/2 of free blocks are dirty.
-+ */
-+ if (dirty_blocks && (free_blocks < 2 * dirty_blocks) &&
-+ !writeback_in_progress(sb->s_bdi) &&
-+ down_read_trylock(&sb->s_umount)) {
-+ writeback_inodes_sb(sb, WB_REASON_FS_FREE_SPACE);
-+ up_read(&sb->s_umount);
-+ }
-+
- if (2 * free_blocks < 3 * dirty_blocks ||
- free_blocks < (dirty_blocks + EXT4_FREECLUSTERS_WATERMARK)) {
- /*
-@@ -2390,13 +2400,6 @@ static int ext4_nonda_switch(struct super_block *sb)
- */
- return 1;
- }
-- /*
-- * Even if we don't switch but are nearing capacity,
-- * start pushing delalloc when 1/2 of free blocks are dirty.
-- */
-- if (free_blocks < 2 * dirty_blocks)
-- writeback_inodes_sb_if_idle(sb, WB_REASON_FS_FREE_SPACE);
--
- return 0;
- }
-
-@@ -4004,6 +4007,7 @@ static int ext4_do_update_inode(handle_t *handle,
- struct ext4_inode_info *ei = EXT4_I(inode);
- struct buffer_head *bh = iloc->bh;
- int err = 0, rc, block;
-+ int need_datasync = 0;
-
- /* For fields not not tracking in the in-memory inode,
- * initialise them to zero for new inodes. */
-@@ -4052,7 +4056,10 @@ static int ext4_do_update_inode(handle_t *handle,
- raw_inode->i_file_acl_high =
- cpu_to_le16(ei->i_file_acl >> 32);
- raw_inode->i_file_acl_lo = cpu_to_le32(ei->i_file_acl);
-- ext4_isize_set(raw_inode, ei->i_disksize);
-+ if (ei->i_disksize != ext4_isize(raw_inode)) {
-+ ext4_isize_set(raw_inode, ei->i_disksize);
-+ need_datasync = 1;
-+ }
- if (ei->i_disksize > 0x7fffffffULL) {
- struct super_block *sb = inode->i_sb;
- if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
-@@ -4105,7 +4112,7 @@ static int ext4_do_update_inode(handle_t *handle,
- err = rc;
- ext4_clear_inode_state(inode, EXT4_STATE_NEW);
-
-- ext4_update_inode_fsync_trans(handle, inode, 0);
-+ ext4_update_inode_fsync_trans(handle, inode, need_datasync);
- out_brelse:
- brelse(bh);
- ext4_std_error(inode->i_sb, err);
-diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
-index c5826c6..e2016f3 100644
---- a/fs/ext4/move_extent.c
-+++ b/fs/ext4/move_extent.c
-@@ -141,55 +141,21 @@ mext_next_extent(struct inode *inode, struct ext4_ext_path *path,
- }
-
- /**
-- * mext_check_null_inode - NULL check for two inodes
-- *
-- * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0.
-- */
--static int
--mext_check_null_inode(struct inode *inode1, struct inode *inode2,
-- const char *function, unsigned int line)
--{
-- int ret = 0;
--
-- if (inode1 == NULL) {
-- __ext4_error(inode2->i_sb, function, line,
-- "Both inodes should not be NULL: "
-- "inode1 NULL inode2 %lu", inode2->i_ino);
-- ret = -EIO;
-- } else if (inode2 == NULL) {
-- __ext4_error(inode1->i_sb, function, line,
-- "Both inodes should not be NULL: "
-- "inode1 %lu inode2 NULL", inode1->i_ino);
-- ret = -EIO;
-- }
-- return ret;
--}
--
--/**
- * double_down_write_data_sem - Acquire two inodes' write lock of i_data_sem
- *
-- * @orig_inode: original inode structure
-- * @donor_inode: donor inode structure
-- * Acquire write lock of i_data_sem of the two inodes (orig and donor) by
-- * i_ino order.
-+ * Acquire write lock of i_data_sem of the two inodes
- */
- static void
--double_down_write_data_sem(struct inode *orig_inode, struct inode *donor_inode)
-+double_down_write_data_sem(struct inode *first, struct inode *second)
- {
-- struct inode *first = orig_inode, *second = donor_inode;
-+ if (first < second) {
-+ down_write(&EXT4_I(first)->i_data_sem);
-+ down_write_nested(&EXT4_I(second)->i_data_sem, SINGLE_DEPTH_NESTING);
-+ } else {
-+ down_write(&EXT4_I(second)->i_data_sem);
-+ down_write_nested(&EXT4_I(first)->i_data_sem, SINGLE_DEPTH_NESTING);
-
-- /*
-- * Use the inode number to provide the stable locking order instead
-- * of its address, because the C language doesn't guarantee you can
-- * compare pointers that don't come from the same array.
-- */
-- if (donor_inode->i_ino < orig_inode->i_ino) {
-- first = donor_inode;
-- second = orig_inode;
- }
--
-- down_write(&EXT4_I(first)->i_data_sem);
-- down_write_nested(&EXT4_I(second)->i_data_sem, SINGLE_DEPTH_NESTING);
- }
-
- /**
-@@ -969,14 +935,6 @@ mext_check_arguments(struct inode *orig_inode,
- return -EINVAL;
- }
-
-- /* Files should be in the same ext4 FS */
-- if (orig_inode->i_sb != donor_inode->i_sb) {
-- ext4_debug("ext4 move extent: The argument files "
-- "should be in same FS [ino:orig %lu, donor %lu]\n",
-- orig_inode->i_ino, donor_inode->i_ino);
-- return -EINVAL;
-- }
--
- /* Ext4 move extent supports only extent based file */
- if (!(ext4_test_inode_flag(orig_inode, EXT4_INODE_EXTENTS))) {
- ext4_debug("ext4 move extent: orig file is not extents "
-@@ -1072,35 +1030,19 @@ mext_check_arguments(struct inode *orig_inode,
- * @inode1: the inode structure
- * @inode2: the inode structure
- *
-- * Lock two inodes' i_mutex by i_ino order.
-- * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0.
-+ * Lock two inodes' i_mutex
- */
--static int
-+static void
- mext_inode_double_lock(struct inode *inode1, struct inode *inode2)
- {
-- int ret = 0;
--
-- BUG_ON(inode1 == NULL && inode2 == NULL);
--
-- ret = mext_check_null_inode(inode1, inode2, __func__, __LINE__);
-- if (ret < 0)
-- goto out;
--
-- if (inode1 == inode2) {
-- mutex_lock(&inode1->i_mutex);
-- goto out;
-- }
--
-- if (inode1->i_ino < inode2->i_ino) {
-+ BUG_ON(inode1 == inode2);
-+ if (inode1 < inode2) {
- mutex_lock_nested(&inode1->i_mutex, I_MUTEX_PARENT);
- mutex_lock_nested(&inode2->i_mutex, I_MUTEX_CHILD);
- } else {
- mutex_lock_nested(&inode2->i_mutex, I_MUTEX_PARENT);
- mutex_lock_nested(&inode1->i_mutex, I_MUTEX_CHILD);
- }
--
--out:
-- return ret;
- }
-
- /**
-@@ -1109,28 +1051,13 @@ out:
- * @inode1: the inode that is released first
- * @inode2: the inode that is released second
- *
-- * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0.
- */
-
--static int
-+static void
- mext_inode_double_unlock(struct inode *inode1, struct inode *inode2)
- {
-- int ret = 0;
--
-- BUG_ON(inode1 == NULL && inode2 == NULL);
--
-- ret = mext_check_null_inode(inode1, inode2, __func__, __LINE__);
-- if (ret < 0)
-- goto out;
--
-- if (inode1)
-- mutex_unlock(&inode1->i_mutex);
--
-- if (inode2 && inode2 != inode1)
-- mutex_unlock(&inode2->i_mutex);
--
--out:
-- return ret;
-+ mutex_unlock(&inode1->i_mutex);
-+ mutex_unlock(&inode2->i_mutex);
- }
-
- /**
-@@ -1187,16 +1114,23 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
- ext4_lblk_t block_end, seq_start, add_blocks, file_end, seq_blocks = 0;
- ext4_lblk_t rest_blocks;
- pgoff_t orig_page_offset = 0, seq_end_page;
-- int ret1, ret2, depth, last_extent = 0;
-+ int ret, depth, last_extent = 0;
- int blocks_per_page = PAGE_CACHE_SIZE >> orig_inode->i_blkbits;
- int data_offset_in_page;
- int block_len_in_page;
- int uninit;
-
-- /* orig and donor should be different file */
-- if (orig_inode->i_ino == donor_inode->i_ino) {
-+ if (orig_inode->i_sb != donor_inode->i_sb) {
-+ ext4_debug("ext4 move extent: The argument files "
-+ "should be in same FS [ino:orig %lu, donor %lu]\n",
-+ orig_inode->i_ino, donor_inode->i_ino);
-+ return -EINVAL;
-+ }
-+
-+ /* orig and donor should be different inodes */
-+ if (orig_inode == donor_inode) {
- ext4_debug("ext4 move extent: The argument files should not "
-- "be same file [ino:orig %lu, donor %lu]\n",
-+ "be same inode [ino:orig %lu, donor %lu]\n",
- orig_inode->i_ino, donor_inode->i_ino);
- return -EINVAL;
- }
-@@ -1208,18 +1142,21 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
- orig_inode->i_ino, donor_inode->i_ino);
- return -EINVAL;
- }
--
-+ /* TODO: This is non obvious task to swap blocks for inodes with full
-+ jornaling enabled */
-+ if (ext4_should_journal_data(orig_inode) ||
-+ ext4_should_journal_data(donor_inode)) {
-+ return -EINVAL;
-+ }
- /* Protect orig and donor inodes against a truncate */
-- ret1 = mext_inode_double_lock(orig_inode, donor_inode);
-- if (ret1 < 0)
-- return ret1;
-+ mext_inode_double_lock(orig_inode, donor_inode);
-
- /* Protect extent tree against block allocations via delalloc */
- double_down_write_data_sem(orig_inode, donor_inode);
- /* Check the filesystem environment whether move_extent can be done */
-- ret1 = mext_check_arguments(orig_inode, donor_inode, orig_start,
-+ ret = mext_check_arguments(orig_inode, donor_inode, orig_start,
- donor_start, &len);
-- if (ret1)
-+ if (ret)
- goto out;
-
- file_end = (i_size_read(orig_inode) - 1) >> orig_inode->i_blkbits;
-@@ -1227,13 +1164,13 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
- if (file_end < block_end)
- len -= block_end - file_end;
-
-- ret1 = get_ext_path(orig_inode, block_start, &orig_path);
-- if (ret1)
-+ ret = get_ext_path(orig_inode, block_start, &orig_path);
-+ if (ret)
- goto out;
-
- /* Get path structure to check the hole */
-- ret1 = get_ext_path(orig_inode, block_start, &holecheck_path);
-- if (ret1)
-+ ret = get_ext_path(orig_inode, block_start, &holecheck_path);
-+ if (ret)
- goto out;
-
- depth = ext_depth(orig_inode);
-@@ -1252,13 +1189,13 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
- last_extent = mext_next_extent(orig_inode,
- holecheck_path, &ext_cur);
- if (last_extent < 0) {
-- ret1 = last_extent;
-+ ret = last_extent;
- goto out;
- }
- last_extent = mext_next_extent(orig_inode, orig_path,
- &ext_dummy);
- if (last_extent < 0) {
-- ret1 = last_extent;
-+ ret = last_extent;
- goto out;
- }
- seq_start = le32_to_cpu(ext_cur->ee_block);
-@@ -1272,7 +1209,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
- if (le32_to_cpu(ext_cur->ee_block) > block_end) {
- ext4_debug("ext4 move extent: The specified range of file "
- "may be the hole\n");
-- ret1 = -EINVAL;
-+ ret = -EINVAL;
- goto out;
- }
-
-@@ -1292,7 +1229,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
- last_extent = mext_next_extent(orig_inode, holecheck_path,
- &ext_cur);
- if (last_extent < 0) {
-- ret1 = last_extent;
-+ ret = last_extent;
- break;
- }
- add_blocks = ext4_ext_get_actual_len(ext_cur);
-@@ -1349,18 +1286,18 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
- orig_page_offset,
- data_offset_in_page,
- block_len_in_page, uninit,
-- &ret1);
-+ &ret);
-
- /* Count how many blocks we have exchanged */
- *moved_len += block_len_in_page;
-- if (ret1 < 0)
-+ if (ret < 0)
- break;
- if (*moved_len > len) {
- EXT4_ERROR_INODE(orig_inode,
- "We replaced blocks too much! "
- "sum of replaced: %llu requested: %llu",
- *moved_len, len);
-- ret1 = -EIO;
-+ ret = -EIO;
- break;
- }
-
-@@ -1374,22 +1311,22 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
- }
-
- double_down_write_data_sem(orig_inode, donor_inode);
-- if (ret1 < 0)
-+ if (ret < 0)
- break;
-
- /* Decrease buffer counter */
- if (holecheck_path)
- ext4_ext_drop_refs(holecheck_path);
-- ret1 = get_ext_path(orig_inode, seq_start, &holecheck_path);
-- if (ret1)
-+ ret = get_ext_path(orig_inode, seq_start, &holecheck_path);
-+ if (ret)
- break;
- depth = holecheck_path->p_depth;
-
- /* Decrease buffer counter */
- if (orig_path)
- ext4_ext_drop_refs(orig_path);
-- ret1 = get_ext_path(orig_inode, seq_start, &orig_path);
-- if (ret1)
-+ ret = get_ext_path(orig_inode, seq_start, &orig_path);
-+ if (ret)
- break;
-
- ext_cur = holecheck_path[depth].p_ext;
-@@ -1412,12 +1349,7 @@ out:
- kfree(holecheck_path);
- }
- double_up_write_data_sem(orig_inode, donor_inode);
-- ret2 = mext_inode_double_unlock(orig_inode, donor_inode);
--
-- if (ret1)
-- return ret1;
-- else if (ret2)
-- return ret2;
-+ mext_inode_double_unlock(orig_inode, donor_inode);
-
-- return 0;
-+ return ret;
- }
-diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
-index 4dd0890..88f97e5 100644
---- a/fs/ext4/namei.c
-+++ b/fs/ext4/namei.c
-@@ -1801,9 +1801,7 @@ retry:
- err = PTR_ERR(inode);
- if (!IS_ERR(inode)) {
- init_special_inode(inode, inode->i_mode, rdev);
--#ifdef CONFIG_EXT4_FS_XATTR
- inode->i_op = &ext4_special_inode_operations;
--#endif
- err = ext4_add_nondir(handle, dentry, inode);
- }
- ext4_journal_stop(handle);
-diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
-index 54f5786..13bfa07 100644
---- a/fs/fs-writeback.c
-+++ b/fs/fs-writeback.c
-@@ -63,6 +63,7 @@ int writeback_in_progress(struct backing_dev_info *bdi)
- {
- return test_bit(BDI_writeback_running, &bdi->state);
- }
-+EXPORT_SYMBOL(writeback_in_progress);
-
- static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
- {
-diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
-index b09e51d..464cd76 100644
---- a/fs/jffs2/wbuf.c
-+++ b/fs/jffs2/wbuf.c
-@@ -1032,11 +1032,11 @@ int jffs2_check_oob_empty(struct jffs2_sb_info *c,
- ops.datbuf = NULL;
-
- ret = c->mtd->read_oob(c->mtd, jeb->offset, &ops);
-- if (ret || ops.oobretlen != ops.ooblen) {
-+ if ((ret && !mtd_is_bitflip(ret)) || ops.oobretlen != ops.ooblen) {
- printk(KERN_ERR "cannot read OOB for EB at %08x, requested %zd"
- " bytes, read %zd bytes, error %d\n",
- jeb->offset, ops.ooblen, ops.oobretlen, ret);
-- if (!ret)
-+ if (!ret || mtd_is_bitflip(ret))
- ret = -EIO;
- return ret;
- }
-@@ -1075,11 +1075,11 @@ int jffs2_check_nand_cleanmarker(struct jffs2_sb_info *c,
- ops.datbuf = NULL;
-
- ret = c->mtd->read_oob(c->mtd, jeb->offset, &ops);
-- if (ret || ops.oobretlen != ops.ooblen) {
-+ if ((ret && !mtd_is_bitflip(ret)) || ops.oobretlen != ops.ooblen) {
- printk(KERN_ERR "cannot read OOB for EB at %08x, requested %zd"
- " bytes, read %zd bytes, error %d\n",
- jeb->offset, ops.ooblen, ops.oobretlen, ret);
-- if (!ret)
-+ if (!ret || mtd_is_bitflip(ret))
- ret = -EIO;
- return ret;
- }
-diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
-index 23d7451..df753a1 100644
---- a/fs/lockd/mon.c
-+++ b/fs/lockd/mon.c
-@@ -40,6 +40,7 @@ struct nsm_args {
- u32 proc;
-
- char *mon_name;
-+ char *nodename;
- };
-
- struct nsm_res {
-@@ -93,6 +94,7 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res)
- .vers = 3,
- .proc = NLMPROC_NSM_NOTIFY,
- .mon_name = nsm->sm_mon_name,
-+ .nodename = utsname()->nodename,
- };
- struct rpc_message msg = {
- .rpc_argp = &args,
-@@ -429,7 +431,7 @@ static void encode_my_id(struct xdr_stream *xdr, const struct nsm_args *argp)
- {
- __be32 *p;
-
-- encode_nsm_string(xdr, utsname()->nodename);
-+ encode_nsm_string(xdr, argp->nodename);
- p = xdr_reserve_space(xdr, 4 + 4 + 4);
- *p++ = cpu_to_be32(argp->prog);
- *p++ = cpu_to_be32(argp->vers);
-diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
-index d774309..1aaa0ee 100644
---- a/fs/nfs/blocklayout/blocklayout.c
-+++ b/fs/nfs/blocklayout/blocklayout.c
-@@ -164,25 +164,39 @@ static struct bio *bl_alloc_init_bio(int npg, sector_t isect,
- return bio;
- }
-
--static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw,
-+static struct bio *do_add_page_to_bio(struct bio *bio, int npg, int rw,
- sector_t isect, struct page *page,
- struct pnfs_block_extent *be,
- void (*end_io)(struct bio *, int err),
-- struct parallel_io *par)
-+ struct parallel_io *par,
-+ unsigned int offset, int len)
- {
-+ isect = isect + (offset >> SECTOR_SHIFT);
-+ dprintk("%s: npg %d rw %d isect %llu offset %u len %d\n", __func__,
-+ npg, rw, (unsigned long long)isect, offset, len);
- retry:
- if (!bio) {
- bio = bl_alloc_init_bio(npg, isect, be, end_io, par);
- if (!bio)
- return ERR_PTR(-ENOMEM);
- }
-- if (bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) < PAGE_CACHE_SIZE) {
-+ if (bio_add_page(bio, page, len, offset) < len) {
- bio = bl_submit_bio(rw, bio);
- goto retry;
- }
- return bio;
- }
-
-+static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw,
-+ sector_t isect, struct page *page,
-+ struct pnfs_block_extent *be,
-+ void (*end_io)(struct bio *, int err),
-+ struct parallel_io *par)
-+{
-+ return do_add_page_to_bio(bio, npg, rw, isect, page, be,
-+ end_io, par, 0, PAGE_CACHE_SIZE);
-+}
-+
- /* This is basically copied from mpage_end_io_read */
- static void bl_end_io_read(struct bio *bio, int err)
- {
-@@ -446,6 +460,106 @@ map_block(struct buffer_head *bh, sector_t isect, struct pnfs_block_extent *be)
- return;
- }
-
-+static void
-+bl_read_single_end_io(struct bio *bio, int error)
-+{
-+ struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
-+ struct page *page = bvec->bv_page;
-+
-+ /* Only one page in bvec */
-+ unlock_page(page);
-+}
-+
-+static int
-+bl_do_readpage_sync(struct page *page, struct pnfs_block_extent *be,
-+ unsigned int offset, unsigned int len)
-+{
-+ struct bio *bio;
-+ struct page *shadow_page;
-+ sector_t isect;
-+ char *kaddr, *kshadow_addr;
-+ int ret = 0;
-+
-+ dprintk("%s: offset %u len %u\n", __func__, offset, len);
-+
-+ shadow_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
-+ if (shadow_page == NULL)
-+ return -ENOMEM;
-+
-+ bio = bio_alloc(GFP_NOIO, 1);
-+ if (bio == NULL)
-+ return -ENOMEM;
-+
-+ isect = (page->index << PAGE_CACHE_SECTOR_SHIFT) +
-+ (offset / SECTOR_SIZE);
-+
-+ bio->bi_sector = isect - be->be_f_offset + be->be_v_offset;
-+ bio->bi_bdev = be->be_mdev;
-+ bio->bi_end_io = bl_read_single_end_io;
-+
-+ lock_page(shadow_page);
-+ if (bio_add_page(bio, shadow_page,
-+ SECTOR_SIZE, round_down(offset, SECTOR_SIZE)) == 0) {
-+ unlock_page(shadow_page);
-+ bio_put(bio);
-+ return -EIO;
-+ }
-+
-+ submit_bio(READ, bio);
-+ wait_on_page_locked(shadow_page);
-+ if (unlikely(!test_bit(BIO_UPTODATE, &bio->bi_flags))) {
-+ ret = -EIO;
-+ } else {
-+ kaddr = kmap_atomic(page);
-+ kshadow_addr = kmap_atomic(shadow_page);
-+ memcpy(kaddr + offset, kshadow_addr + offset, len);
-+ kunmap_atomic(kshadow_addr);
-+ kunmap_atomic(kaddr);
-+ }
-+ __free_page(shadow_page);
-+ bio_put(bio);
-+
-+ return ret;
-+}
-+
-+static int
-+bl_read_partial_page_sync(struct page *page, struct pnfs_block_extent *be,
-+ unsigned int dirty_offset, unsigned int dirty_len,
-+ bool full_page)
-+{
-+ int ret = 0;
-+ unsigned int start, end;
-+
-+ if (full_page) {
-+ start = 0;
-+ end = PAGE_CACHE_SIZE;
-+ } else {
-+ start = round_down(dirty_offset, SECTOR_SIZE);
-+ end = round_up(dirty_offset + dirty_len, SECTOR_SIZE);
-+ }
-+
-+ dprintk("%s: offset %u len %d\n", __func__, dirty_offset, dirty_len);
-+ if (!be) {
-+ zero_user_segments(page, start, dirty_offset,
-+ dirty_offset + dirty_len, end);
-+ if (start == 0 && end == PAGE_CACHE_SIZE &&
-+ trylock_page(page)) {
-+ SetPageUptodate(page);
-+ unlock_page(page);
-+ }
-+ return ret;
-+ }
-+
-+ if (start != dirty_offset)
-+ ret = bl_do_readpage_sync(page, be, start, dirty_offset - start);
-+
-+ if (!ret && (dirty_offset + dirty_len < end))
-+ ret = bl_do_readpage_sync(page, be, dirty_offset + dirty_len,
-+ end - dirty_offset - dirty_len);
-+
-+ return ret;
-+}
-+
- /* Given an unmapped page, zero it or read in page for COW, page is locked
- * by caller.
- */
-@@ -479,7 +593,6 @@ init_page_for_write(struct page *page, struct pnfs_block_extent *cow_read)
- SetPageUptodate(page);
-
- cleanup:
-- bl_put_extent(cow_read);
- if (bh)
- free_buffer_head(bh);
- if (ret) {
-@@ -501,6 +614,7 @@ bl_write_pagelist(struct nfs_write_data *wdata, int sync)
- struct parallel_io *par;
- loff_t offset = wdata->args.offset;
- size_t count = wdata->args.count;
-+ unsigned int pg_offset, pg_len, saved_len;
- struct page **pages = wdata->args.pages;
- struct page *page;
- pgoff_t index;
-@@ -615,10 +729,11 @@ next_page:
- if (!extent_length) {
- /* We've used up the previous extent */
- bl_put_extent(be);
-+ bl_put_extent(cow_read);
- bio = bl_submit_bio(WRITE, bio);
- /* Get the next one */
- be = bl_find_get_extent(BLK_LSEG2EXT(wdata->lseg),
-- isect, NULL);
-+ isect, &cow_read);
- if (!be || !is_writable(be, isect)) {
- wdata->pnfs_error = -EINVAL;
- goto out;
-@@ -626,7 +741,26 @@ next_page:
- extent_length = be->be_length -
- (isect - be->be_f_offset);
- }
-- if (be->be_state == PNFS_BLOCK_INVALID_DATA) {
-+
-+ dprintk("%s offset %lld count %Zu\n", __func__, offset, count);
-+ pg_offset = offset & ~PAGE_CACHE_MASK;
-+ if (pg_offset + count > PAGE_CACHE_SIZE)
-+ pg_len = PAGE_CACHE_SIZE - pg_offset;
-+ else
-+ pg_len = count;
-+
-+ saved_len = pg_len;
-+ if (be->be_state == PNFS_BLOCK_INVALID_DATA &&
-+ !bl_is_sector_init(be->be_inval, isect)) {
-+ ret = bl_read_partial_page_sync(pages[i], cow_read,
-+ pg_offset, pg_len, true);
-+ if (ret) {
-+ dprintk("%s bl_read_partial_page_sync fail %d\n",
-+ __func__, ret);
-+ wdata->pnfs_error = ret;
-+ goto out;
-+ }
-+
- ret = bl_mark_sectors_init(be->be_inval, isect,
- PAGE_CACHE_SECTORS,
- NULL);
-@@ -636,15 +770,35 @@ next_page:
- wdata->pnfs_error = ret;
- goto out;
- }
-+
-+ /* Expand to full page write */
-+ pg_offset = 0;
-+ pg_len = PAGE_CACHE_SIZE;
-+ } else if ((pg_offset & (SECTOR_SIZE - 1)) ||
-+ (pg_len & (SECTOR_SIZE - 1))){
-+ /* ahh, nasty case. We have to do sync full sector
-+ * read-modify-write cycles.
-+ */
-+ unsigned int saved_offset = pg_offset;
-+ ret = bl_read_partial_page_sync(pages[i], be, pg_offset,
-+ pg_len, false);
-+ pg_offset = round_down(pg_offset, SECTOR_SIZE);
-+ pg_len = round_up(saved_offset + pg_len, SECTOR_SIZE)
-+ - pg_offset;
- }
-- bio = bl_add_page_to_bio(bio, wdata->npages - i, WRITE,
-+
-+
-+ bio = do_add_page_to_bio(bio, wdata->npages - i, WRITE,
- isect, pages[i], be,
-- bl_end_io_write, par);
-+ bl_end_io_write, par,
-+ pg_offset, pg_len);
- if (IS_ERR(bio)) {
- wdata->pnfs_error = PTR_ERR(bio);
- bio = NULL;
- goto out;
- }
-+ offset += saved_len;
-+ count -= saved_len;
- isect += PAGE_CACHE_SECTORS;
- last_isect = isect;
- extent_length -= PAGE_CACHE_SECTORS;
-@@ -662,12 +816,10 @@ next_page:
- }
-
- write_done:
-- wdata->res.count = (last_isect << SECTOR_SHIFT) - (offset);
-- if (count < wdata->res.count) {
-- wdata->res.count = count;
-- }
-+ wdata->res.count = wdata->args.count;
- out:
- bl_put_extent(be);
-+ bl_put_extent(cow_read);
- bl_submit_bio(WRITE, bio);
- put_parallel(par);
- return PNFS_ATTEMPTED;
-diff --git a/fs/nfs/blocklayout/blocklayout.h b/fs/nfs/blocklayout/blocklayout.h
-index 42acf7e..519a9de 100644
---- a/fs/nfs/blocklayout/blocklayout.h
-+++ b/fs/nfs/blocklayout/blocklayout.h
-@@ -40,6 +40,7 @@
-
- #define PAGE_CACHE_SECTORS (PAGE_CACHE_SIZE >> SECTOR_SHIFT)
- #define PAGE_CACHE_SECTOR_SHIFT (PAGE_CACHE_SHIFT - SECTOR_SHIFT)
-+#define SECTOR_SIZE (1 << SECTOR_SHIFT)
-
- struct block_mount_id {
- spinlock_t bm_lock; /* protects list */
-diff --git a/fs/udf/super.c b/fs/udf/super.c
-index 516b7f0..f66439e 100644
---- a/fs/udf/super.c
-+++ b/fs/udf/super.c
-@@ -1289,6 +1289,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
- udf_err(sb, "error loading logical volume descriptor: "
- "Partition table too long (%u > %lu)\n", table_len,
- sb->s_blocksize - sizeof(*lvd));
-+ ret = 1;
- goto out_bh;
- }
-
-@@ -1333,8 +1334,10 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
- UDF_ID_SPARABLE,
- strlen(UDF_ID_SPARABLE))) {
- if (udf_load_sparable_map(sb, map,
-- (struct sparablePartitionMap *)gpm) < 0)
-+ (struct sparablePartitionMap *)gpm) < 0) {
-+ ret = 1;
- goto out_bh;
-+ }
- } else if (!strncmp(upm2->partIdent.ident,
- UDF_ID_METADATA,
- strlen(UDF_ID_METADATA))) {
-diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
-index 7978eec..3e8f2f7 100644
---- a/include/linux/mempolicy.h
-+++ b/include/linux/mempolicy.h
-@@ -188,7 +188,7 @@ struct sp_node {
-
- struct shared_policy {
- struct rb_root root;
-- spinlock_t lock;
-+ struct mutex mutex;
- };
-
- void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol);
-diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
-index 67cc215..1874c5e 100644
---- a/include/linux/pci_ids.h
-+++ b/include/linux/pci_ids.h
-@@ -1823,7 +1823,6 @@
- #define PCI_DEVICE_ID_SIIG_8S_20x_650 0x2081
- #define PCI_DEVICE_ID_SIIG_8S_20x_850 0x2082
- #define PCI_SUBDEVICE_ID_SIIG_QUARTET_SERIAL 0x2050
--#define PCI_SUBDEVICE_ID_SIIG_DUAL_SERIAL 0x2530
-
- #define PCI_VENDOR_ID_RADISYS 0x1331
-
-diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
-index e5a7b9a..416dcb0 100644
---- a/include/net/ip_vs.h
-+++ b/include/net/ip_vs.h
-@@ -1353,7 +1353,7 @@ static inline void ip_vs_notrack(struct sk_buff *skb)
- struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
-
- if (!ct || !nf_ct_is_untracked(ct)) {
-- nf_reset(skb);
-+ nf_conntrack_put(skb->nfct);
- skb->nfct = &nf_ct_untracked_get()->ct_general;
- skb->nfctinfo = IP_CT_NEW;
- nf_conntrack_get(skb->nfct);
-diff --git a/kernel/rcutree.c b/kernel/rcutree.c
-index 6b76d81..a122196 100644
---- a/kernel/rcutree.c
-+++ b/kernel/rcutree.c
-@@ -292,7 +292,9 @@ cpu_has_callbacks_ready_to_invoke(struct rcu_data *rdp)
- static int
- cpu_needs_another_gp(struct rcu_state *rsp, struct rcu_data *rdp)
- {
-- return *rdp->nxttail[RCU_DONE_TAIL] && !rcu_gp_in_progress(rsp);
-+ return *rdp->nxttail[RCU_DONE_TAIL +
-+ ACCESS_ONCE(rsp->completed) != rdp->completed] &&
-+ !rcu_gp_in_progress(rsp);
- }
-
- /*
-diff --git a/kernel/sched_stoptask.c b/kernel/sched_stoptask.c
-index 8b44e7f..85e9da2 100644
---- a/kernel/sched_stoptask.c
-+++ b/kernel/sched_stoptask.c
-@@ -25,8 +25,10 @@ static struct task_struct *pick_next_task_stop(struct rq *rq)
- {
- struct task_struct *stop = rq->stop;
-
-- if (stop && stop->on_rq)
-+ if (stop && stop->on_rq) {
-+ stop->se.exec_start = rq->clock_task;
- return stop;
-+ }
-
- return NULL;
- }
-@@ -50,6 +52,21 @@ static void yield_task_stop(struct rq *rq)
-
- static void put_prev_task_stop(struct rq *rq, struct task_struct *prev)
- {
-+ struct task_struct *curr = rq->curr;
-+ u64 delta_exec;
-+
-+ delta_exec = rq->clock_task - curr->se.exec_start;
-+ if (unlikely((s64)delta_exec < 0))
-+ delta_exec = 0;
-+
-+ schedstat_set(curr->se.statistics.exec_max,
-+ max(curr->se.statistics.exec_max, delta_exec));
-+
-+ curr->se.sum_exec_runtime += delta_exec;
-+ account_group_exec_runtime(curr, delta_exec);
-+
-+ curr->se.exec_start = rq->clock_task;
-+ cpuacct_charge(curr, delta_exec);
- }
-
- static void task_tick_stop(struct rq *rq, struct task_struct *curr, int queued)
-@@ -58,6 +75,9 @@ static void task_tick_stop(struct rq *rq, struct task_struct *curr, int queued)
-
- static void set_curr_task_stop(struct rq *rq)
- {
-+ struct task_struct *stop = rq->stop;
-+
-+ stop->se.exec_start = rq->clock_task;
- }
-
- static void switched_to_stop(struct rq *rq, struct task_struct *p)
-diff --git a/kernel/sys.c b/kernel/sys.c
-index 481611f..c504302 100644
---- a/kernel/sys.c
-+++ b/kernel/sys.c
-@@ -365,6 +365,7 @@ EXPORT_SYMBOL(unregister_reboot_notifier);
- void kernel_restart(char *cmd)
- {
- kernel_restart_prepare(cmd);
-+ disable_nonboot_cpus();
- if (!cmd)
- printk(KERN_EMERG "Restarting system.\n");
- else
-diff --git a/kernel/workqueue.c b/kernel/workqueue.c
-index b413138..43a19c5 100644
---- a/kernel/workqueue.c
-+++ b/kernel/workqueue.c
-@@ -1726,10 +1726,9 @@ static void move_linked_works(struct work_struct *work, struct list_head *head,
- *nextp = n;
- }
-
--static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq)
-+static void cwq_activate_delayed_work(struct work_struct *work)
- {
-- struct work_struct *work = list_first_entry(&cwq->delayed_works,
-- struct work_struct, entry);
-+ struct cpu_workqueue_struct *cwq = get_work_cwq(work);
- struct list_head *pos = gcwq_determine_ins_pos(cwq->gcwq, cwq);
-
- trace_workqueue_activate_work(work);
-@@ -1738,6 +1737,14 @@ static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq)
- cwq->nr_active++;
- }
-
-+static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq)
-+{
-+ struct work_struct *work = list_first_entry(&cwq->delayed_works,
-+ struct work_struct, entry);
-+
-+ cwq_activate_delayed_work(work);
-+}
-+
- /**
- * cwq_dec_nr_in_flight - decrement cwq's nr_in_flight
- * @cwq: cwq of interest
-@@ -1869,7 +1876,9 @@ __acquires(&gcwq->lock)
-
- spin_unlock_irq(&gcwq->lock);
-
-+ smp_wmb(); /* paired with test_and_set_bit(PENDING) */
- work_clear_pending(work);
-+
- lock_map_acquire_read(&cwq->wq->lockdep_map);
- lock_map_acquire(&lockdep_map);
- trace_workqueue_execute_start(work);
-@@ -2626,6 +2635,18 @@ static int try_to_grab_pending(struct work_struct *work)
- smp_rmb();
- if (gcwq == get_work_gcwq(work)) {
- debug_work_deactivate(work);
-+
-+ /*
-+ * A delayed work item cannot be grabbed directly
-+ * because it might have linked NO_COLOR work items
-+ * which, if left on the delayed_list, will confuse
-+ * cwq->nr_active management later on and cause
-+ * stall. Make sure the work item is activated
-+ * before grabbing.
-+ */
-+ if (*work_data_bits(work) & WORK_STRUCT_DELAYED)
-+ cwq_activate_delayed_work(work);
-+
- list_del_init(&work->entry);
- cwq_dec_nr_in_flight(get_work_cwq(work),
- get_work_color(work),
-diff --git a/lib/gcd.c b/lib/gcd.c
-index f879033..433d89b 100644
---- a/lib/gcd.c
-+++ b/lib/gcd.c
-@@ -9,6 +9,9 @@ unsigned long gcd(unsigned long a, unsigned long b)
-
- if (a < b)
- swap(a, b);
-+
-+ if (!b)
-+ return a;
- while ((r = a % b) != 0) {
- a = b;
- b = r;
-diff --git a/mm/hugetlb.c b/mm/hugetlb.c
-index 0f897b8..d6c0fdf 100644
---- a/mm/hugetlb.c
-+++ b/mm/hugetlb.c
-@@ -2429,8 +2429,8 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
- * from page cache lookup which is in HPAGE_SIZE units.
- */
- address = address & huge_page_mask(h);
-- pgoff = ((address - vma->vm_start) >> PAGE_SHIFT)
-- + (vma->vm_pgoff >> PAGE_SHIFT);
-+ pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) +
-+ vma->vm_pgoff;
- mapping = vma->vm_file->f_dentry->d_inode->i_mapping;
-
- /*
-diff --git a/mm/mempolicy.c b/mm/mempolicy.c
-index 11b8d47..4c82c21 100644
---- a/mm/mempolicy.c
-+++ b/mm/mempolicy.c
-@@ -607,24 +607,39 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end,
- return first;
- }
-
--/* Apply policy to a single VMA */
--static int policy_vma(struct vm_area_struct *vma, struct mempolicy *new)
-+/*
-+ * Apply policy to a single VMA
-+ * This must be called with the mmap_sem held for writing.
-+ */
-+static int vma_replace_policy(struct vm_area_struct *vma,
-+ struct mempolicy *pol)
- {
-- int err = 0;
-- struct mempolicy *old = vma->vm_policy;
-+ int err;
-+ struct mempolicy *old;
-+ struct mempolicy *new;
-
- pr_debug("vma %lx-%lx/%lx vm_ops %p vm_file %p set_policy %p\n",
- vma->vm_start, vma->vm_end, vma->vm_pgoff,
- vma->vm_ops, vma->vm_file,
- vma->vm_ops ? vma->vm_ops->set_policy : NULL);
-
-- if (vma->vm_ops && vma->vm_ops->set_policy)
-+ new = mpol_dup(pol);
-+ if (IS_ERR(new))
-+ return PTR_ERR(new);
-+
-+ if (vma->vm_ops && vma->vm_ops->set_policy) {
- err = vma->vm_ops->set_policy(vma, new);
-- if (!err) {
-- mpol_get(new);
-- vma->vm_policy = new;
-- mpol_put(old);
-+ if (err)
-+ goto err_out;
- }
-+
-+ old = vma->vm_policy;
-+ vma->vm_policy = new; /* protected by mmap_sem */
-+ mpol_put(old);
-+
-+ return 0;
-+ err_out:
-+ mpol_put(new);
- return err;
- }
-
-@@ -675,7 +690,7 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
- if (err)
- goto out;
- }
-- err = policy_vma(vma, new_pol);
-+ err = vma_replace_policy(vma, new_pol);
- if (err)
- goto out;
- }
-@@ -1507,8 +1522,18 @@ struct mempolicy *get_vma_policy(struct task_struct *task,
- addr);
- if (vpol)
- pol = vpol;
-- } else if (vma->vm_policy)
-+ } else if (vma->vm_policy) {
- pol = vma->vm_policy;
-+
-+ /*
-+ * shmem_alloc_page() passes MPOL_F_SHARED policy with
-+ * a pseudo vma whose vma->vm_ops=NULL. Take a reference
-+ * count on these policies which will be dropped by
-+ * mpol_cond_put() later
-+ */
-+ if (mpol_needs_cond_ref(pol))
-+ mpol_get(pol);
-+ }
- }
- if (!pol)
- pol = &default_policy;
-@@ -2032,7 +2057,7 @@ int __mpol_equal(struct mempolicy *a, struct mempolicy *b)
- */
-
- /* lookup first element intersecting start-end */
--/* Caller holds sp->lock */
-+/* Caller holds sp->mutex */
- static struct sp_node *
- sp_lookup(struct shared_policy *sp, unsigned long start, unsigned long end)
- {
-@@ -2096,36 +2121,50 @@ mpol_shared_policy_lookup(struct shared_policy *sp, unsigned long idx)
-
- if (!sp->root.rb_node)
- return NULL;
-- spin_lock(&sp->lock);
-+ mutex_lock(&sp->mutex);
- sn = sp_lookup(sp, idx, idx+1);
- if (sn) {
- mpol_get(sn->policy);
- pol = sn->policy;
- }
-- spin_unlock(&sp->lock);
-+ mutex_unlock(&sp->mutex);
- return pol;
- }
-
-+static void sp_free(struct sp_node *n)
-+{
-+ mpol_put(n->policy);
-+ kmem_cache_free(sn_cache, n);
-+}
-+
- static void sp_delete(struct shared_policy *sp, struct sp_node *n)
- {
- pr_debug("deleting %lx-l%lx\n", n->start, n->end);
- rb_erase(&n->nd, &sp->root);
-- mpol_put(n->policy);
-- kmem_cache_free(sn_cache, n);
-+ sp_free(n);
- }
-
- static struct sp_node *sp_alloc(unsigned long start, unsigned long end,
- struct mempolicy *pol)
- {
-- struct sp_node *n = kmem_cache_alloc(sn_cache, GFP_KERNEL);
-+ struct sp_node *n;
-+ struct mempolicy *newpol;
-
-+ n = kmem_cache_alloc(sn_cache, GFP_KERNEL);
- if (!n)
- return NULL;
-+
-+ newpol = mpol_dup(pol);
-+ if (IS_ERR(newpol)) {
-+ kmem_cache_free(sn_cache, n);
-+ return NULL;
-+ }
-+ newpol->flags |= MPOL_F_SHARED;
-+
- n->start = start;
- n->end = end;
-- mpol_get(pol);
-- pol->flags |= MPOL_F_SHARED; /* for unref */
-- n->policy = pol;
-+ n->policy = newpol;
-+
- return n;
- }
-
-@@ -2133,10 +2172,10 @@ static struct sp_node *sp_alloc(unsigned long start, unsigned long end,
- static int shared_policy_replace(struct shared_policy *sp, unsigned long start,
- unsigned long end, struct sp_node *new)
- {
-- struct sp_node *n, *new2 = NULL;
-+ struct sp_node *n;
-+ int ret = 0;
-
--restart:
-- spin_lock(&sp->lock);
-+ mutex_lock(&sp->mutex);
- n = sp_lookup(sp, start, end);
- /* Take care of old policies in the same range. */
- while (n && n->start < end) {
-@@ -2149,16 +2188,14 @@ restart:
- } else {
- /* Old policy spanning whole new range. */
- if (n->end > end) {
-+ struct sp_node *new2;
-+ new2 = sp_alloc(end, n->end, n->policy);
- if (!new2) {
-- spin_unlock(&sp->lock);
-- new2 = sp_alloc(end, n->end, n->policy);
-- if (!new2)
-- return -ENOMEM;
-- goto restart;
-+ ret = -ENOMEM;
-+ goto out;
- }
- n->end = start;
- sp_insert(sp, new2);
-- new2 = NULL;
- break;
- } else
- n->end = start;
-@@ -2169,12 +2206,9 @@ restart:
- }
- if (new)
- sp_insert(sp, new);
-- spin_unlock(&sp->lock);
-- if (new2) {
-- mpol_put(new2->policy);
-- kmem_cache_free(sn_cache, new2);
-- }
-- return 0;
-+out:
-+ mutex_unlock(&sp->mutex);
-+ return ret;
- }
-
- /**
-@@ -2192,7 +2226,7 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol)
- int ret;
-
- sp->root = RB_ROOT; /* empty tree == default mempolicy */
-- spin_lock_init(&sp->lock);
-+ mutex_init(&sp->mutex);
-
- if (mpol) {
- struct vm_area_struct pvma;
-@@ -2246,7 +2280,7 @@ int mpol_set_shared_policy(struct shared_policy *info,
- }
- err = shared_policy_replace(info, vma->vm_pgoff, vma->vm_pgoff+sz, new);
- if (err && new)
-- kmem_cache_free(sn_cache, new);
-+ sp_free(new);
- return err;
- }
-
-@@ -2258,16 +2292,14 @@ void mpol_free_shared_policy(struct shared_policy *p)
-
- if (!p->root.rb_node)
- return;
-- spin_lock(&p->lock);
-+ mutex_lock(&p->mutex);
- next = rb_first(&p->root);
- while (next) {
- n = rb_entry(next, struct sp_node, nd);
- next = rb_next(&n->nd);
-- rb_erase(&n->nd, &p->root);
-- mpol_put(n->policy);
-- kmem_cache_free(sn_cache, n);
-+ sp_delete(p, n);
- }
-- spin_unlock(&p->lock);
-+ mutex_unlock(&p->mutex);
- }
-
- /* assumes fs == KERNEL_DS */
-diff --git a/mm/slab.c b/mm/slab.c
-index cd3ab93..4c3b671 100644
---- a/mm/slab.c
-+++ b/mm/slab.c
-@@ -1669,9 +1669,6 @@ void __init kmem_cache_init_late(void)
-
- g_cpucache_up = LATE;
-
-- /* Annotate slab for lockdep -- annotate the malloc caches */
-- init_lock_keys();
--
- /* 6) resize the head arrays to their final sizes */
- mutex_lock(&cache_chain_mutex);
- list_for_each_entry(cachep, &cache_chain, next)
-@@ -1679,6 +1676,9 @@ void __init kmem_cache_init_late(void)
- BUG();
- mutex_unlock(&cache_chain_mutex);
-
-+ /* Annotate slab for lockdep -- annotate the malloc caches */
-+ init_lock_keys();
-+
- /* Done! */
- g_cpucache_up = FULL;
-
-diff --git a/mm/truncate.c b/mm/truncate.c
-index 632b15e..00fb58a 100644
---- a/mm/truncate.c
-+++ b/mm/truncate.c
-@@ -394,11 +394,12 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page)
- if (page_has_private(page) && !try_to_release_page(page, GFP_KERNEL))
- return 0;
-
-+ clear_page_mlock(page);
-+
- spin_lock_irq(&mapping->tree_lock);
- if (PageDirty(page))
- goto failed;
-
-- clear_page_mlock(page);
- BUG_ON(page_has_private(page));
- __delete_from_page_cache(page);
- spin_unlock_irq(&mapping->tree_lock);
-diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
-index de9da21..d7d63f4 100644
---- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
-+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
-@@ -84,6 +84,14 @@ static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
- *dataoff = nhoff + (iph->ihl << 2);
- *protonum = iph->protocol;
-
-+ /* Check bogus IP headers */
-+ if (*dataoff > skb->len) {
-+ pr_debug("nf_conntrack_ipv4: bogus IPv4 packet: "
-+ "nhoff %u, ihl %u, skblen %u\n",
-+ nhoff, iph->ihl << 2, skb->len);
-+ return -NF_ACCEPT;
-+ }
-+
- return NF_ACCEPT;
- }
-
-diff --git a/net/ipv4/netfilter/nf_nat_sip.c b/net/ipv4/netfilter/nf_nat_sip.c
-index 78844d9..6609a84 100644
---- a/net/ipv4/netfilter/nf_nat_sip.c
-+++ b/net/ipv4/netfilter/nf_nat_sip.c
-@@ -148,7 +148,7 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
- if (ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen,
- hdr, NULL, &matchoff, &matchlen,
- &addr, &port) > 0) {
-- unsigned int matchend, poff, plen, buflen, n;
-+ unsigned int olen, matchend, poff, plen, buflen, n;
- char buffer[sizeof("nnn.nnn.nnn.nnn:nnnnn")];
-
- /* We're only interested in headers related to this
-@@ -163,11 +163,12 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
- goto next;
- }
-
-+ olen = *datalen;
- if (!map_addr(skb, dataoff, dptr, datalen, matchoff, matchlen,
- &addr, port))
- return NF_DROP;
-
-- matchend = matchoff + matchlen;
-+ matchend = matchoff + matchlen + *datalen - olen;
-
- /* The maddr= parameter (RFC 2361) specifies where to send
- * the reply. */
-@@ -501,7 +502,10 @@ static unsigned int ip_nat_sdp_media(struct sk_buff *skb, unsigned int dataoff,
- ret = nf_ct_expect_related(rtcp_exp);
- if (ret == 0)
- break;
-- else if (ret != -EBUSY) {
-+ else if (ret == -EBUSY) {
-+ nf_ct_unexpect_related(rtp_exp);
-+ continue;
-+ } else if (ret < 0) {
- nf_ct_unexpect_related(rtp_exp);
- port = 0;
- break;
-diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
-index 340c80d..7918eb7 100644
---- a/net/netfilter/nf_conntrack_expect.c
-+++ b/net/netfilter/nf_conntrack_expect.c
-@@ -366,23 +366,6 @@ static void evict_oldest_expect(struct nf_conn *master,
- }
- }
-
--static inline int refresh_timer(struct nf_conntrack_expect *i)
--{
-- struct nf_conn_help *master_help = nfct_help(i->master);
-- const struct nf_conntrack_expect_policy *p;
--
-- if (!del_timer(&i->timeout))
-- return 0;
--
-- p = &rcu_dereference_protected(
-- master_help->helper,
-- lockdep_is_held(&nf_conntrack_lock)
-- )->expect_policy[i->class];
-- i->timeout.expires = jiffies + p->timeout * HZ;
-- add_timer(&i->timeout);
-- return 1;
--}
--
- static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
- {
- const struct nf_conntrack_expect_policy *p;
-@@ -390,7 +373,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
- struct nf_conn *master = expect->master;
- struct nf_conn_help *master_help = nfct_help(master);
- struct net *net = nf_ct_exp_net(expect);
-- struct hlist_node *n;
-+ struct hlist_node *n, *next;
- unsigned int h;
- int ret = 1;
-
-@@ -401,12 +384,12 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
- goto out;
- }
- h = nf_ct_expect_dst_hash(&expect->tuple);
-- hlist_for_each_entry(i, n, &net->ct.expect_hash[h], hnode) {
-+ hlist_for_each_entry_safe(i, n, next, &net->ct.expect_hash[h], hnode) {
- if (expect_matches(i, expect)) {
-- /* Refresh timer: if it's dying, ignore.. */
-- if (refresh_timer(i)) {
-- ret = 0;
-- goto out;
-+ if (del_timer(&i->timeout)) {
-+ nf_ct_unlink_expect(i);
-+ nf_ct_expect_put(i);
-+ break;
- }
- } else if (expect_clash(i, expect)) {
- ret = -EBUSY;
-diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
-index dfd52ba..8f3f280 100644
---- a/net/netfilter/xt_hashlimit.c
-+++ b/net/netfilter/xt_hashlimit.c
-@@ -389,8 +389,7 @@ static void htable_put(struct xt_hashlimit_htable *hinfo)
- #define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
-
- /* Precision saver. */
--static inline u_int32_t
--user2credits(u_int32_t user)
-+static u32 user2credits(u32 user)
- {
- /* If multiplying would overflow... */
- if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY))
-@@ -400,7 +399,7 @@ user2credits(u_int32_t user)
- return (user * HZ * CREDITS_PER_JIFFY) / XT_HASHLIMIT_SCALE;
- }
-
--static inline void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now)
-+static void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now)
- {
- dh->rateinfo.credit += (now - dh->rateinfo.prev) * CREDITS_PER_JIFFY;
- if (dh->rateinfo.credit > dh->rateinfo.credit_cap)
-@@ -531,8 +530,7 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
- dh->rateinfo.prev = jiffies;
- dh->rateinfo.credit = user2credits(hinfo->cfg.avg *
- hinfo->cfg.burst);
-- dh->rateinfo.credit_cap = user2credits(hinfo->cfg.avg *
-- hinfo->cfg.burst);
-+ dh->rateinfo.credit_cap = dh->rateinfo.credit;
- dh->rateinfo.cost = user2credits(hinfo->cfg.avg);
- } else {
- /* update expiration timeout */
-diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
-index 32b7a57..a4c1e45 100644
---- a/net/netfilter/xt_limit.c
-+++ b/net/netfilter/xt_limit.c
-@@ -88,8 +88,7 @@ limit_mt(const struct sk_buff *skb, struct xt_action_param *par)
- }
-
- /* Precision saver. */
--static u_int32_t
--user2credits(u_int32_t user)
-+static u32 user2credits(u32 user)
- {
- /* If multiplying would overflow... */
- if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY))
-@@ -118,12 +117,12 @@ static int limit_mt_check(const struct xt_mtchk_param *par)
-
- /* For SMP, we only want to use one set of state. */
- r->master = priv;
-+ /* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
-+ 128. */
-+ priv->prev = jiffies;
-+ priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
- if (r->cost == 0) {
-- /* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
-- 128. */
-- priv->prev = jiffies;
-- priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
-- r->credit_cap = user2credits(r->avg * r->burst); /* Credits full. */
-+ r->credit_cap = priv->credit; /* Credits full. */
- r->cost = user2credits(r->avg);
- }
- return 0;
-diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
-index c5391af..10a385b 100644
---- a/net/sunrpc/xprtsock.c
-+++ b/net/sunrpc/xprtsock.c
-@@ -1028,6 +1028,16 @@ static void xs_udp_data_ready(struct sock *sk, int len)
- read_unlock_bh(&sk->sk_callback_lock);
- }
-
-+/*
-+ * Helper function to force a TCP close if the server is sending
-+ * junk and/or it has put us in CLOSE_WAIT
-+ */
-+static void xs_tcp_force_close(struct rpc_xprt *xprt)
-+{
-+ set_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
-+ xprt_force_disconnect(xprt);
-+}
-+
- static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_reader *desc)
- {
- struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
-@@ -1054,7 +1064,7 @@ static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_rea
- /* Sanity check of the record length */
- if (unlikely(transport->tcp_reclen < 8)) {
- dprintk("RPC: invalid TCP record fragment length\n");
-- xprt_force_disconnect(xprt);
-+ xs_tcp_force_close(xprt);
- return;
- }
- dprintk("RPC: reading TCP record fragment of length %d\n",
-@@ -1135,7 +1145,7 @@ static inline void xs_tcp_read_calldir(struct sock_xprt *transport,
- break;
- default:
- dprintk("RPC: invalid request message type\n");
-- xprt_force_disconnect(&transport->xprt);
-+ xs_tcp_force_close(&transport->xprt);
- }
- xs_tcp_check_fraghdr(transport);
- }
-@@ -1458,6 +1468,8 @@ static void xs_tcp_cancel_linger_timeout(struct rpc_xprt *xprt)
- static void xs_sock_mark_closed(struct rpc_xprt *xprt)
- {
- smp_mb__before_clear_bit();
-+ clear_bit(XPRT_CONNECTION_ABORT, &xprt->state);
-+ clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
- clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
- clear_bit(XPRT_CLOSING, &xprt->state);
- smp_mb__after_clear_bit();
-@@ -1515,8 +1527,8 @@ static void xs_tcp_state_change(struct sock *sk)
- break;
- case TCP_CLOSE_WAIT:
- /* The server initiated a shutdown of the socket */
-- xprt_force_disconnect(xprt);
- xprt->connect_cookie++;
-+ xs_tcp_force_close(xprt);
- case TCP_CLOSING:
- /*
- * If the server closed down the connection, make sure that
-@@ -2159,8 +2171,7 @@ static void xs_tcp_setup_socket(struct work_struct *work)
- /* We're probably in TIME_WAIT. Get rid of existing socket,
- * and retry
- */
-- set_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
-- xprt_force_disconnect(xprt);
-+ xs_tcp_force_close(xprt);
- break;
- case -ECONNREFUSED:
- case -ECONNRESET:
-diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
-index d897278..978416d 100644
---- a/scripts/Kbuild.include
-+++ b/scripts/Kbuild.include
-@@ -98,24 +98,24 @@ try-run = $(shell set -e; \
- # Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
-
- as-option = $(call try-run,\
-- $(CC) $(KBUILD_CFLAGS) $(1) -c -xassembler /dev/null -o "$$TMP",$(1),$(2))
-+ $(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2))
-
- # as-instr
- # Usage: cflags-y += $(call as-instr,instr,option1,option2)
-
- as-instr = $(call try-run,\
-- /bin/echo -e "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3))
-+ printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3))
-
- # cc-option
- # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
-
- cc-option = $(call try-run,\
-- $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",$(1),$(2))
-+ $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
-
- # cc-option-yn
- # Usage: flag := $(call cc-option-yn,-march=winchip-c6)
- cc-option-yn = $(call try-run,\
-- $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",y,n)
-+ $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
-
- # cc-option-align
- # Prefix align with either -falign or -malign
-@@ -125,7 +125,7 @@ cc-option-align = $(subst -functions=0,,\
- # cc-disable-warning
- # Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
- cc-disable-warning = $(call try-run,\
-- $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -xc /dev/null -o "$$TMP",-Wno-$(strip $(1)))
-+ $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))
-
- # cc-version
- # Usage gcc-ver := $(call cc-version)
-@@ -143,7 +143,7 @@ cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3))
- # cc-ldoption
- # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both)
- cc-ldoption = $(call try-run,\
-- $(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2))
-+ $(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2))
-
- # ld-option
- # Usage: LDFLAGS += $(call ld-option, -X)
-@@ -209,7 +209,7 @@ endif
- # >$< substitution to preserve $ when reloading .cmd file
- # note: when using inline perl scripts [perl -e '...$$t=1;...']
- # in $(cmd_xxx) double $$ your perl vars
--make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))
-+make-cmd = $(subst \\,\\\\,$(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))))
-
- # Find any prerequisites that is newer than target or that does not exist.
- # PHONY targets skipped in both cases.
-diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
-index debecb5..7f2126d 100644
---- a/scripts/gcc-version.sh
-+++ b/scripts/gcc-version.sh
-@@ -22,10 +22,10 @@ if [ ${#compiler} -eq 0 ]; then
- exit 1
- fi
-
--MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1)
--MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
-+MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
-+MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
- if [ "x$with_patchlevel" != "x" ] ; then
-- PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1)
-+ PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
- printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
- else
- printf "%02d%02d\\n" $MAJOR $MINOR
-diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh
-index 29493dc..12dbd0b 100644
---- a/scripts/gcc-x86_32-has-stack-protector.sh
-+++ b/scripts/gcc-x86_32-has-stack-protector.sh
-@@ -1,6 +1,6 @@
- #!/bin/sh
-
--echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
-+echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
- if [ "$?" -eq "0" ] ; then
- echo y
- else
-diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh
-index afaec61..973e8c1 100644
---- a/scripts/gcc-x86_64-has-stack-protector.sh
-+++ b/scripts/gcc-x86_64-has-stack-protector.sh
-@@ -1,6 +1,6 @@
- #!/bin/sh
-
--echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
-+echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
- if [ "$?" -eq "0" ] ; then
- echo y
- else
-diff --git a/scripts/kconfig/check.sh b/scripts/kconfig/check.sh
-index fa59cbf..854d9c7 100755
---- a/scripts/kconfig/check.sh
-+++ b/scripts/kconfig/check.sh
-@@ -1,6 +1,6 @@
- #!/bin/sh
- # Needed for systems without gettext
--$* -xc -o /dev/null - > /dev/null 2>&1 << EOF
-+$* -x c -o /dev/null - > /dev/null 2>&1 << EOF
- #include <libintl.h>
- int main()
- {
-diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
-index 82cc3a8..50df490 100644
---- a/scripts/kconfig/lxdialog/check-lxdialog.sh
-+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
-@@ -38,7 +38,7 @@ trap "rm -f $tmp" 0 1 2 3 15
-
- # Check if we can link to ncurses
- check() {
-- $cc -xc - -o $tmp 2>/dev/null <<'EOF'
-+ $cc -x c - -o $tmp 2>/dev/null <<'EOF'
- #include CURSES_LOC
- main() {}
- EOF
-diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
-index bccf07dd..3346f42 100644
---- a/scripts/kconfig/streamline_config.pl
-+++ b/scripts/kconfig/streamline_config.pl
-@@ -463,6 +463,8 @@ while(<CIN>) {
- if (defined($configs{$1})) {
- if ($localyesconfig) {
- $setconfigs{$1} = 'y';
-+ print "$1=y\n";
-+ next;
- } else {
- $setconfigs{$1} = $2;
- }
-diff --git a/scripts/package/buildtar b/scripts/package/buildtar
-index 8a7b155..d0d748e 100644
---- a/scripts/package/buildtar
-+++ b/scripts/package/buildtar
-@@ -109,7 +109,7 @@ esac
- if tar --owner=root --group=root --help >/dev/null 2>&1; then
- opts="--owner=root --group=root"
- fi
-- tar cf - . $opts | ${compress} > "${tarball}${file_ext}"
-+ tar cf - boot/* lib/* $opts | ${compress} > "${tarball}${file_ext}"
- )
-
- echo "Tarball successfully created in ${tarball}${file_ext}"
-diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
-index d83bafc..193ce81 100644
---- a/sound/drivers/aloop.c
-+++ b/sound/drivers/aloop.c
-@@ -119,6 +119,7 @@ struct loopback_pcm {
- unsigned int period_size_frac;
- unsigned long last_jiffies;
- struct timer_list timer;
-+ spinlock_t timer_lock;
- };
-
- static struct platform_device *devices[SNDRV_CARDS];
-@@ -169,6 +170,7 @@ static void loopback_timer_start(struct loopback_pcm *dpcm)
- unsigned long tick;
- unsigned int rate_shift = get_rate_shift(dpcm);
-
-+ spin_lock(&dpcm->timer_lock);
- if (rate_shift != dpcm->pcm_rate_shift) {
- dpcm->pcm_rate_shift = rate_shift;
- dpcm->period_size_frac = frac_pos(dpcm, dpcm->pcm_period_size);
-@@ -181,12 +183,15 @@ static void loopback_timer_start(struct loopback_pcm *dpcm)
- tick = (tick + dpcm->pcm_bps - 1) / dpcm->pcm_bps;
- dpcm->timer.expires = jiffies + tick;
- add_timer(&dpcm->timer);
-+ spin_unlock(&dpcm->timer_lock);
- }
-
- static inline void loopback_timer_stop(struct loopback_pcm *dpcm)
- {
-+ spin_lock(&dpcm->timer_lock);
- del_timer(&dpcm->timer);
- dpcm->timer.expires = 0;
-+ spin_unlock(&dpcm->timer_lock);
- }
-
- #define CABLE_VALID_PLAYBACK (1 << SNDRV_PCM_STREAM_PLAYBACK)
-@@ -659,6 +664,7 @@ static int loopback_open(struct snd_pcm_substream *substream)
- dpcm->substream = substream;
- setup_timer(&dpcm->timer, loopback_timer_function,
- (unsigned long)dpcm);
-+ spin_lock_init(&dpcm->timer_lock);
-
- cable = loopback->cables[substream->number][dev];
- if (!cable) {
-diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
-index 402f330..94f0c4a 100644
---- a/sound/pci/hda/patch_conexant.c
-+++ b/sound/pci/hda/patch_conexant.c
-@@ -139,6 +139,7 @@ struct conexant_spec {
- unsigned int asus:1;
- unsigned int pin_eapd_ctrls:1;
- unsigned int single_adc_amp:1;
-+ unsigned int fixup_stereo_dmic:1;
-
- unsigned int adc_switching:1;
-
-@@ -4113,9 +4114,9 @@ static int cx_auto_init(struct hda_codec *codec)
-
- static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename,
- const char *dir, int cidx,
-- hda_nid_t nid, int hda_dir, int amp_idx)
-+ hda_nid_t nid, int hda_dir, int amp_idx, int chs)
- {
-- static char name[32];
-+ static char name[44];
- static struct snd_kcontrol_new knew[] = {
- HDA_CODEC_VOLUME(name, 0, 0, 0),
- HDA_CODEC_MUTE(name, 0, 0, 0),
-@@ -4125,7 +4126,7 @@ static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename,
-
- for (i = 0; i < 2; i++) {
- struct snd_kcontrol *kctl;
-- knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, 3, amp_idx,
-+ knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, chs, amp_idx,
- hda_dir);
- knew[i].subdevice = HDA_SUBDEV_AMP_FLAG;
- knew[i].index = cidx;
-@@ -4144,7 +4145,7 @@ static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename,
- }
-
- #define cx_auto_add_volume(codec, str, dir, cidx, nid, hda_dir) \
-- cx_auto_add_volume_idx(codec, str, dir, cidx, nid, hda_dir, 0)
-+ cx_auto_add_volume_idx(codec, str, dir, cidx, nid, hda_dir, 0, 3)
-
- #define cx_auto_add_pb_volume(codec, nid, str, idx) \
- cx_auto_add_volume(codec, str, " Playback", idx, nid, HDA_OUTPUT)
-@@ -4214,6 +4215,36 @@ static int cx_auto_build_output_controls(struct hda_codec *codec)
- return 0;
- }
-
-+/* Returns zero if this is a normal stereo channel, and non-zero if it should
-+ be split in two independent channels.
-+ dest_label must be at least 44 characters. */
-+static int cx_auto_get_rightch_label(struct hda_codec *codec, const char *label,
-+ char *dest_label, int nid)
-+{
-+ struct conexant_spec *spec = codec->spec;
-+ int i;
-+
-+ if (!spec->fixup_stereo_dmic)
-+ return 0;
-+
-+ for (i = 0; i < AUTO_CFG_MAX_INS; i++) {
-+ int def_conf;
-+ if (spec->autocfg.inputs[i].pin != nid)
-+ continue;
-+
-+ if (spec->autocfg.inputs[i].type != AUTO_PIN_MIC)
-+ return 0;
-+ def_conf = snd_hda_codec_get_pincfg(codec, nid);
-+ if (snd_hda_get_input_pin_attr(def_conf) != INPUT_PIN_ATTR_INT)
-+ return 0;
-+
-+ /* Finally found the inverted internal mic! */
-+ snprintf(dest_label, 44, "Inverted %s", label);
-+ return 1;
-+ }
-+ return 0;
-+}
-+
- static int cx_auto_add_capture_volume(struct hda_codec *codec, hda_nid_t nid,
- const char *label, const char *pfx,
- int cidx)
-@@ -4222,14 +4253,25 @@ static int cx_auto_add_capture_volume(struct hda_codec *codec, hda_nid_t nid,
- int i;
-
- for (i = 0; i < spec->num_adc_nids; i++) {
-+ char rightch_label[44];
- hda_nid_t adc_nid = spec->adc_nids[i];
- int idx = get_input_connection(codec, adc_nid, nid);
- if (idx < 0)
- continue;
- if (spec->single_adc_amp)
- idx = 0;
-+
-+ if (cx_auto_get_rightch_label(codec, label, rightch_label, nid)) {
-+ /* Make two independent kcontrols for left and right */
-+ int err = cx_auto_add_volume_idx(codec, label, pfx,
-+ cidx, adc_nid, HDA_INPUT, idx, 1);
-+ if (err < 0)
-+ return err;
-+ return cx_auto_add_volume_idx(codec, rightch_label, pfx,
-+ cidx, adc_nid, HDA_INPUT, idx, 2);
-+ }
- return cx_auto_add_volume_idx(codec, label, pfx,
-- cidx, adc_nid, HDA_INPUT, idx);
-+ cidx, adc_nid, HDA_INPUT, idx, 3);
- }
- return 0;
- }
-@@ -4242,9 +4284,19 @@ static int cx_auto_add_boost_volume(struct hda_codec *codec, int idx,
- int i, con;
-
- nid = spec->imux_info[idx].pin;
-- if (get_wcaps(codec, nid) & AC_WCAP_IN_AMP)
-+ if (get_wcaps(codec, nid) & AC_WCAP_IN_AMP) {
-+ char rightch_label[44];
-+ if (cx_auto_get_rightch_label(codec, label, rightch_label, nid)) {
-+ int err = cx_auto_add_volume_idx(codec, label, " Boost",
-+ cidx, nid, HDA_INPUT, 0, 1);
-+ if (err < 0)
-+ return err;
-+ return cx_auto_add_volume_idx(codec, rightch_label, " Boost",
-+ cidx, nid, HDA_INPUT, 0, 2);
-+ }
- return cx_auto_add_volume(codec, label, " Boost", cidx,
- nid, HDA_INPUT);
-+ }
- con = __select_input_connection(codec, spec->imux_info[idx].adc, nid,
- &mux, false, 0);
- if (con < 0)
-@@ -4398,23 +4450,31 @@ static void apply_pincfg(struct hda_codec *codec, const struct cxt_pincfg *cfg)
-
- }
-
--static void apply_pin_fixup(struct hda_codec *codec,
-+enum {
-+ CXT_PINCFG_LENOVO_X200,
-+ CXT_PINCFG_LENOVO_TP410,
-+ CXT_FIXUP_STEREO_DMIC,
-+};
-+
-+static void apply_fixup(struct hda_codec *codec,
- const struct snd_pci_quirk *quirk,
- const struct cxt_pincfg **table)
- {
-+ struct conexant_spec *spec = codec->spec;
-+
- quirk = snd_pci_quirk_lookup(codec->bus->pci, quirk);
-- if (quirk) {
-+ if (quirk && table[quirk->value]) {
- snd_printdd(KERN_INFO "hda_codec: applying pincfg for %s\n",
- quirk->name);
- apply_pincfg(codec, table[quirk->value]);
- }
-+ if (quirk->value == CXT_FIXUP_STEREO_DMIC) {
-+ snd_printdd(KERN_INFO "hda_codec: applying internal mic workaround for %s\n",
-+ quirk->name);
-+ spec->fixup_stereo_dmic = 1;
-+ }
- }
-
--enum {
-- CXT_PINCFG_LENOVO_X200,
-- CXT_PINCFG_LENOVO_TP410,
--};
--
- /* ThinkPad X200 & co with cxt5051 */
- static const struct cxt_pincfg cxt_pincfg_lenovo_x200[] = {
- { 0x16, 0x042140ff }, /* HP (seq# overridden) */
-@@ -4434,6 +4494,7 @@ static const struct cxt_pincfg cxt_pincfg_lenovo_tp410[] = {
- static const struct cxt_pincfg *cxt_pincfg_tbl[] = {
- [CXT_PINCFG_LENOVO_X200] = cxt_pincfg_lenovo_x200,
- [CXT_PINCFG_LENOVO_TP410] = cxt_pincfg_lenovo_tp410,
-+ [CXT_FIXUP_STEREO_DMIC] = NULL,
- };
-
- static const struct snd_pci_quirk cxt5051_fixups[] = {
-@@ -4447,6 +4508,9 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
- SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410),
- SND_PCI_QUIRK(0x17aa, 0x21ce, "Lenovo T420", CXT_PINCFG_LENOVO_TP410),
- SND_PCI_QUIRK(0x17aa, 0x21cf, "Lenovo T520", CXT_PINCFG_LENOVO_TP410),
-+ SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
-+ SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
-+ SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),
- {}
- };
-
-@@ -4486,10 +4550,10 @@ static int patch_conexant_auto(struct hda_codec *codec)
- break;
- case 0x14f15051:
- add_cx5051_fake_mutes(codec);
-- apply_pin_fixup(codec, cxt5051_fixups, cxt_pincfg_tbl);
-+ apply_fixup(codec, cxt5051_fixups, cxt_pincfg_tbl);
- break;
- default:
-- apply_pin_fixup(codec, cxt5066_fixups, cxt_pincfg_tbl);
-+ apply_fixup(codec, cxt5066_fixups, cxt_pincfg_tbl);
- break;
- }
-
-diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
-index 323d4d9..0961d88 100644
---- a/tools/hv/hv_kvp_daemon.c
-+++ b/tools/hv/hv_kvp_daemon.c
-@@ -348,7 +348,7 @@ int main(void)
- fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
- if (fd < 0) {
- syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd);
-- exit(-1);
-+ exit(EXIT_FAILURE);
- }
- addr.nl_family = AF_NETLINK;
- addr.nl_pad = 0;
-@@ -360,7 +360,7 @@ int main(void)
- if (error < 0) {
- syslog(LOG_ERR, "bind failed; error:%d", error);
- close(fd);
-- exit(-1);
-+ exit(EXIT_FAILURE);
- }
- sock_opt = addr.nl_groups;
- setsockopt(fd, 270, 1, &sock_opt, sizeof(sock_opt));
-@@ -378,7 +378,7 @@ int main(void)
- if (len < 0) {
- syslog(LOG_ERR, "netlink_send failed; error:%d", len);
- close(fd);
-- exit(-1);
-+ exit(EXIT_FAILURE);
- }
-
- pfd.fd = fd;
-@@ -497,7 +497,7 @@ int main(void)
- len = netlink_send(fd, incoming_cn_msg);
- if (len < 0) {
- syslog(LOG_ERR, "net_link send failed; error:%d", len);
-- exit(-1);
-+ exit(EXIT_FAILURE);
- }
- }
-
-diff --git a/tools/perf/Makefile b/tools/perf/Makefile
-index b98e307..e45d2b1 100644
---- a/tools/perf/Makefile
-+++ b/tools/perf/Makefile
-@@ -56,7 +56,7 @@ ifeq ($(ARCH),x86_64)
- ARCH := x86
- IS_X86_64 := 0
- ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
-- IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -xc - | tail -n 1)
-+ IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
- endif
- ifeq (${IS_X86_64}, 1)
- RAW_ARCH := x86_64
-diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
-index e8a03ac..7db8da5 100644
---- a/tools/power/cpupower/Makefile
-+++ b/tools/power/cpupower/Makefile
-@@ -100,7 +100,7 @@ GMO_FILES = ${shell for HLANG in ${LANGUAGES}; do echo po/$$HLANG.gmo; done;}
- export CROSS CC AR STRIP RANLIB CFLAGS LDFLAGS LIB_OBJS
-
- # check if compiler option is supported
--cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
-+cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
-
- # use '-Os' optimization if available, else use -O2
- OPTIMIZATION := $(call cc-supports,-Os,-O2)