diff options
Diffstat (limited to '3.2.53/1036_linux-3.2.37.patch')
| -rw-r--r-- | 3.2.53/1036_linux-3.2.37.patch | 1689 |
1 files changed, 1689 insertions, 0 deletions
diff --git a/3.2.53/1036_linux-3.2.37.patch b/3.2.53/1036_linux-3.2.37.patch new file mode 100644 index 0000000..ad13251 --- /dev/null +++ b/3.2.53/1036_linux-3.2.37.patch @@ -0,0 +1,1689 @@ +diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt +index a4399f5..3b979c6 100644 +--- a/Documentation/networking/ip-sysctl.txt ++++ b/Documentation/networking/ip-sysctl.txt +@@ -524,6 +524,11 @@ tcp_thin_dupack - BOOLEAN + Documentation/networking/tcp-thin.txt + Default: 0 + ++tcp_challenge_ack_limit - INTEGER ++ Limits number of Challenge ACK sent per second, as recommended ++ in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks) ++ Default: 100 ++ + UDP variables: + + udp_mem - vector of 3 INTEGERs: min, pressure, max +diff --git a/Makefile b/Makefile +index 2052c29..21c77e2 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 3 + PATCHLEVEL = 2 +-SUBLEVEL = 36 ++SUBLEVEL = 37 + EXTRAVERSION = + NAME = Saber-toothed Squirrel + +diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c +index ec8affe..e74f86e 100644 +--- a/arch/powerpc/kernel/time.c ++++ b/arch/powerpc/kernel/time.c +@@ -859,13 +859,8 @@ void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, + + void update_vsyscall_tz(void) + { +- /* Make userspace gettimeofday spin until we're done. */ +- ++vdso_data->tb_update_count; +- smp_mb(); + vdso_data->tz_minuteswest = sys_tz.tz_minuteswest; + vdso_data->tz_dsttime = sys_tz.tz_dsttime; +- smp_mb(); +- ++vdso_data->tb_update_count; + } + + static void __init clocksource_init(void) +diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c +index e8dd5c5..d10c123 100644 +--- a/arch/powerpc/platforms/40x/ppc40x_simple.c ++++ b/arch/powerpc/platforms/40x/ppc40x_simple.c +@@ -55,7 +55,8 @@ static const char *board[] __initdata = { + "amcc,haleakala", + "amcc,kilauea", + "amcc,makalu", +- "est,hotfoot" ++ "est,hotfoot", ++ NULL + }; + + static int __init ppc40x_probe(void) +diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h +index 1770610..f368cef 100644 +--- a/arch/sparc/include/asm/hugetlb.h ++++ b/arch/sparc/include/asm/hugetlb.h +@@ -58,14 +58,20 @@ static inline pte_t huge_pte_wrprotect(pte_t pte) + static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) + { +- ptep_set_wrprotect(mm, addr, ptep); ++ pte_t old_pte = *ptep; ++ set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte)); + } + + static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t pte, int dirty) + { +- return ptep_set_access_flags(vma, addr, ptep, pte, dirty); ++ int changed = !pte_same(*ptep, pte); ++ if (changed) { ++ set_huge_pte_at(vma->vm_mm, addr, ptep, pte); ++ flush_tlb_page(vma, addr); ++ } ++ return changed; + } + + static inline pte_t huge_ptep_get(pte_t *ptep) +diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c +index 8ab80ba..792b66f 100644 +--- a/drivers/acpi/scan.c ++++ b/drivers/acpi/scan.c +@@ -789,8 +789,8 @@ acpi_bus_extract_wakeup_device_power_package(acpi_handle handle, + static void acpi_bus_set_run_wake_flags(struct acpi_device *device) + { + struct acpi_device_id button_device_ids[] = { +- {"PNP0C0D", 0}, + {"PNP0C0C", 0}, ++ {"PNP0C0D", 0}, + {"PNP0C0E", 0}, + {"", 0}, + }; +@@ -802,6 +802,11 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device) + /* Power button, Lid switch always enable wakeup */ + if (!acpi_match_device_ids(device, button_device_ids)) { + device->wakeup.flags.run_wake = 1; ++ if (!acpi_match_device_ids(device, &button_device_ids[1])) { ++ /* Do not use Lid/sleep button for S5 wakeup */ ++ if (device->wakeup.sleep_state == ACPI_STATE_S5) ++ device->wakeup.sleep_state = ACPI_STATE_S4; ++ } + device_set_wakeup_capable(&device->dev, true); + return; + } +@@ -1152,7 +1157,7 @@ static void acpi_device_set_id(struct acpi_device *device) + acpi_add_id(device, ACPI_DOCK_HID); + else if (!acpi_ibm_smbus_match(device)) + acpi_add_id(device, ACPI_SMBUS_IBM_HID); +- else if (!acpi_device_hid(device) && ++ else if (list_empty(&device->pnp.ids) && + ACPI_IS_ROOT_DEVICE(device->parent)) { + acpi_add_id(device, ACPI_BUS_HID); /* \_SB, LNXSYBUS */ + strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME); +diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h +index db195ab..e49ddd0 100644 +--- a/drivers/block/aoe/aoe.h ++++ b/drivers/block/aoe/aoe.h +@@ -1,5 +1,5 @@ + /* Copyright (c) 2007 Coraid, Inc. See COPYING for GPL terms. */ +-#define VERSION "47" ++#define VERSION "47q" + #define AOE_MAJOR 152 + #define DEVICE_NAME "aoe" + +diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c +index 321de7b..7eca463 100644 +--- a/drivers/block/aoe/aoeblk.c ++++ b/drivers/block/aoe/aoeblk.c +@@ -276,8 +276,6 @@ aoeblk_gdalloc(void *vp) + goto err_mempool; + blk_queue_make_request(d->blkq, aoeblk_make_request); + d->blkq->backing_dev_info.name = "aoe"; +- if (bdi_init(&d->blkq->backing_dev_info)) +- goto err_blkq; + spin_lock_irqsave(&d->lock, flags); + gd->major = AOE_MAJOR; + gd->first_minor = d->sysminor * AOE_PARTITIONS; +@@ -298,9 +296,6 @@ aoeblk_gdalloc(void *vp) + aoedisk_add_sysfs(d); + return; + +-err_blkq: +- blk_cleanup_queue(d->blkq); +- d->blkq = NULL; + err_mempool: + mempool_destroy(d->bufpool); + err_disk: +diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h +index 791df46..012a9d2 100644 +--- a/drivers/gpu/drm/i915/i915_drv.h ++++ b/drivers/gpu/drm/i915/i915_drv.h +@@ -1305,6 +1305,7 @@ static inline void intel_unregister_dsm_handler(void) { return; } + #endif /* CONFIG_ACPI */ + + /* modesetting */ ++extern void i915_redisable_vga(struct drm_device *dev); + extern void intel_modeset_init(struct drm_device *dev); + extern void intel_modeset_gem_init(struct drm_device *dev); + extern void intel_modeset_cleanup(struct drm_device *dev); +diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c +index 54acad3..fa9639b 100644 +--- a/drivers/gpu/drm/i915/intel_display.c ++++ b/drivers/gpu/drm/i915/intel_display.c +@@ -8898,6 +8898,23 @@ static void i915_disable_vga(struct drm_device *dev) + POSTING_READ(vga_reg); + } + ++void i915_redisable_vga(struct drm_device *dev) ++{ ++ struct drm_i915_private *dev_priv = dev->dev_private; ++ u32 vga_reg; ++ ++ if (HAS_PCH_SPLIT(dev)) ++ vga_reg = CPU_VGACNTRL; ++ else ++ vga_reg = VGACNTRL; ++ ++ if (I915_READ(vga_reg) != VGA_DISP_DISABLE) { ++ DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); ++ I915_WRITE(vga_reg, VGA_DISP_DISABLE); ++ POSTING_READ(vga_reg); ++ } ++} ++ + void intel_modeset_init(struct drm_device *dev) + { + struct drm_i915_private *dev_priv = dev->dev_private; +diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c +index cf5ea3d..c6d0966 100644 +--- a/drivers/gpu/drm/i915/intel_lvds.c ++++ b/drivers/gpu/drm/i915/intel_lvds.c +@@ -535,6 +535,7 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, + + mutex_lock(&dev->mode_config.mutex); + drm_helper_resume_force_mode(dev); ++ i915_redisable_vga(dev); + mutex_unlock(&dev->mode_config.mutex); + + return NOTIFY_OK; +diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c +index d5af089..2bb29c9 100644 +--- a/drivers/gpu/drm/nouveau/nouveau_bo.c ++++ b/drivers/gpu/drm/nouveau/nouveau_bo.c +@@ -940,7 +940,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) + if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) { + mem->bus.offset = mem->start << PAGE_SHIFT; + mem->bus.base = dev_priv->gart_info.aper_base; +- mem->bus.is_iomem = true; ++ mem->bus.is_iomem = !dev->agp->cant_use_aperture; + } + #endif + break; +diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c +index 81fc100..1b98338 100644 +--- a/drivers/gpu/drm/radeon/radeon_combios.c ++++ b/drivers/gpu/drm/radeon/radeon_combios.c +@@ -1536,6 +1536,9 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) + of_machine_is_compatible("PowerBook6,7")) { + /* ibook */ + rdev->mode_info.connector_table = CT_IBOOK; ++ } else if (of_machine_is_compatible("PowerMac3,5")) { ++ /* PowerMac G4 Silver radeon 7500 */ ++ rdev->mode_info.connector_table = CT_MAC_G4_SILVER; + } else if (of_machine_is_compatible("PowerMac4,4")) { + /* emac */ + rdev->mode_info.connector_table = CT_EMAC; +@@ -1561,6 +1564,11 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) + (rdev->pdev->subsystem_device == 0x4150)) { + /* Mac G5 tower 9600 */ + rdev->mode_info.connector_table = CT_MAC_G5_9600; ++ } else if ((rdev->pdev->device == 0x4c66) && ++ (rdev->pdev->subsystem_vendor == 0x1002) && ++ (rdev->pdev->subsystem_device == 0x4c66)) { ++ /* SAM440ep RV250 embedded board */ ++ rdev->mode_info.connector_table = CT_SAM440EP; + } else + #endif /* CONFIG_PPC_PMAC */ + #ifdef CONFIG_PPC64 +@@ -2134,6 +2142,115 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev) + CONNECTOR_OBJECT_ID_SVIDEO, + &hpd); + break; ++ case CT_SAM440EP: ++ DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n", ++ rdev->mode_info.connector_table); ++ /* LVDS */ ++ ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0); ++ hpd.hpd = RADEON_HPD_NONE; ++ radeon_add_legacy_encoder(dev, ++ radeon_get_encoder_enum(dev, ++ ATOM_DEVICE_LCD1_SUPPORT, ++ 0), ++ ATOM_DEVICE_LCD1_SUPPORT); ++ radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT, ++ DRM_MODE_CONNECTOR_LVDS, &ddc_i2c, ++ CONNECTOR_OBJECT_ID_LVDS, ++ &hpd); ++ /* DVI-I - secondary dac, int tmds */ ++ ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0); ++ hpd.hpd = RADEON_HPD_1; /* ??? */ ++ radeon_add_legacy_encoder(dev, ++ radeon_get_encoder_enum(dev, ++ ATOM_DEVICE_DFP1_SUPPORT, ++ 0), ++ ATOM_DEVICE_DFP1_SUPPORT); ++ radeon_add_legacy_encoder(dev, ++ radeon_get_encoder_enum(dev, ++ ATOM_DEVICE_CRT2_SUPPORT, ++ 2), ++ ATOM_DEVICE_CRT2_SUPPORT); ++ radeon_add_legacy_connector(dev, 1, ++ ATOM_DEVICE_DFP1_SUPPORT | ++ ATOM_DEVICE_CRT2_SUPPORT, ++ DRM_MODE_CONNECTOR_DVII, &ddc_i2c, ++ CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I, ++ &hpd); ++ /* VGA - primary dac */ ++ ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0); ++ hpd.hpd = RADEON_HPD_NONE; ++ radeon_add_legacy_encoder(dev, ++ radeon_get_encoder_enum(dev, ++ ATOM_DEVICE_CRT1_SUPPORT, ++ 1), ++ ATOM_DEVICE_CRT1_SUPPORT); ++ radeon_add_legacy_connector(dev, 2, ++ ATOM_DEVICE_CRT1_SUPPORT, ++ DRM_MODE_CONNECTOR_VGA, &ddc_i2c, ++ CONNECTOR_OBJECT_ID_VGA, ++ &hpd); ++ /* TV - TV DAC */ ++ ddc_i2c.valid = false; ++ hpd.hpd = RADEON_HPD_NONE; ++ radeon_add_legacy_encoder(dev, ++ radeon_get_encoder_enum(dev, ++ ATOM_DEVICE_TV1_SUPPORT, ++ 2), ++ ATOM_DEVICE_TV1_SUPPORT); ++ radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT, ++ DRM_MODE_CONNECTOR_SVIDEO, ++ &ddc_i2c, ++ CONNECTOR_OBJECT_ID_SVIDEO, ++ &hpd); ++ break; ++ case CT_MAC_G4_SILVER: ++ DRM_INFO("Connector Table: %d (mac g4 silver)\n", ++ rdev->mode_info.connector_table); ++ /* DVI-I - tv dac, int tmds */ ++ ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0); ++ hpd.hpd = RADEON_HPD_1; /* ??? */ ++ radeon_add_legacy_encoder(dev, ++ radeon_get_encoder_enum(dev, ++ ATOM_DEVICE_DFP1_SUPPORT, ++ 0), ++ ATOM_DEVICE_DFP1_SUPPORT); ++ radeon_add_legacy_encoder(dev, ++ radeon_get_encoder_enum(dev, ++ ATOM_DEVICE_CRT2_SUPPORT, ++ 2), ++ ATOM_DEVICE_CRT2_SUPPORT); ++ radeon_add_legacy_connector(dev, 0, ++ ATOM_DEVICE_DFP1_SUPPORT | ++ ATOM_DEVICE_CRT2_SUPPORT, ++ DRM_MODE_CONNECTOR_DVII, &ddc_i2c, ++ CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I, ++ &hpd); ++ /* VGA - primary dac */ ++ ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0); ++ hpd.hpd = RADEON_HPD_NONE; ++ radeon_add_legacy_encoder(dev, ++ radeon_get_encoder_enum(dev, ++ ATOM_DEVICE_CRT1_SUPPORT, ++ 1), ++ ATOM_DEVICE_CRT1_SUPPORT); ++ radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT, ++ DRM_MODE_CONNECTOR_VGA, &ddc_i2c, ++ CONNECTOR_OBJECT_ID_VGA, ++ &hpd); ++ /* TV - TV DAC */ ++ ddc_i2c.valid = false; ++ hpd.hpd = RADEON_HPD_NONE; ++ radeon_add_legacy_encoder(dev, ++ radeon_get_encoder_enum(dev, ++ ATOM_DEVICE_TV1_SUPPORT, ++ 2), ++ ATOM_DEVICE_TV1_SUPPORT); ++ radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT, ++ DRM_MODE_CONNECTOR_SVIDEO, ++ &ddc_i2c, ++ CONNECTOR_OBJECT_ID_SVIDEO, ++ &hpd); ++ break; + default: + DRM_INFO("Connector table: %d (invalid)\n", + rdev->mode_info.connector_table); +diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c +index 87d494d..6fd53b6 100644 +--- a/drivers/gpu/drm/radeon/radeon_connectors.c ++++ b/drivers/gpu/drm/radeon/radeon_connectors.c +@@ -689,7 +689,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force) + ret = connector_status_disconnected; + + if (radeon_connector->ddc_bus) +- dret = radeon_ddc_probe(radeon_connector); ++ dret = radeon_ddc_probe(radeon_connector, false); + if (dret) { + radeon_connector->detected_by_load = false; + if (radeon_connector->edid) { +@@ -871,7 +871,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) + bool dret = false; + + if (radeon_connector->ddc_bus) +- dret = radeon_ddc_probe(radeon_connector); ++ dret = radeon_ddc_probe(radeon_connector, false); + if (dret) { + radeon_connector->detected_by_load = false; + if (radeon_connector->edid) { +@@ -1299,7 +1299,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force) + if (encoder) { + /* setup ddc on the bridge */ + radeon_atom_ext_encoder_setup_ddc(encoder); +- if (radeon_ddc_probe(radeon_connector)) /* try DDC */ ++ /* bridge chips are always aux */ ++ if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ + ret = connector_status_connected; + else if (radeon_connector->dac_load_detect) { /* try load detection */ + struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; +@@ -1317,7 +1318,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force) + if (radeon_dp_getdpcd(radeon_connector)) + ret = connector_status_connected; + } else { +- if (radeon_ddc_probe(radeon_connector)) ++ /* try non-aux ddc (DP to DVI/HMDI/etc. adapter) */ ++ if (radeon_ddc_probe(radeon_connector, false)) + ret = connector_status_connected; + } + } +diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c +index a22d6e6..aec8e0c 100644 +--- a/drivers/gpu/drm/radeon/radeon_display.c ++++ b/drivers/gpu/drm/radeon/radeon_display.c +@@ -701,10 +701,15 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) + if (radeon_connector->router.ddc_valid) + radeon_router_select_ddc_port(radeon_connector); + +- if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || +- (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) || +- (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != +- ENCODER_OBJECT_ID_NONE)) { ++ if (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != ++ ENCODER_OBJECT_ID_NONE) { ++ struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; ++ ++ if (dig->dp_i2c_bus) ++ radeon_connector->edid = drm_get_edid(&radeon_connector->base, ++ &dig->dp_i2c_bus->adapter); ++ } else if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || ++ (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) { + struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + + if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || +diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c +index 1441b00..cf20351 100644 +--- a/drivers/gpu/drm/radeon/radeon_i2c.c ++++ b/drivers/gpu/drm/radeon/radeon_i2c.c +@@ -34,7 +34,7 @@ + * radeon_ddc_probe + * + */ +-bool radeon_ddc_probe(struct radeon_connector *radeon_connector) ++bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux) + { + u8 out = 0x0; + u8 buf[8]; +@@ -58,7 +58,13 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector) + if (radeon_connector->router.ddc_valid) + radeon_router_select_ddc_port(radeon_connector); + +- ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); ++ if (use_aux) { ++ struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; ++ ret = i2c_transfer(&dig->dp_i2c_bus->adapter, msgs, 2); ++ } else { ++ ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); ++ } ++ + if (ret != 2) + /* Couldn't find an accessible DDC on this connector */ + return false; +diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h +index 8254d5a..bb42df4 100644 +--- a/drivers/gpu/drm/radeon/radeon_mode.h ++++ b/drivers/gpu/drm/radeon/radeon_mode.h +@@ -210,6 +210,8 @@ enum radeon_connector_table { + CT_RN50_POWER, + CT_MAC_X800, + CT_MAC_G5_9600, ++ CT_SAM440EP, ++ CT_MAC_G4_SILVER + }; + + enum radeon_dvo_chip { +@@ -521,7 +523,7 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c, + u8 val); + extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector); + extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector); +-extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector); ++extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux); + extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector); + + extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector); +diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c +index 9e64d96..376d9d9 100644 +--- a/drivers/hwmon/lm73.c ++++ b/drivers/hwmon/lm73.c +@@ -49,6 +49,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, + struct i2c_client *client = to_i2c_client(dev); + long temp; + short value; ++ s32 err; + + int status = strict_strtol(buf, 10, &temp); + if (status < 0) +@@ -57,8 +58,8 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, + /* Write value */ + value = (short) SENSORS_LIMIT(temp/250, (LM73_TEMP_MIN*4), + (LM73_TEMP_MAX*4)) << 5; +- i2c_smbus_write_word_swapped(client, attr->index, value); +- return count; ++ err = i2c_smbus_write_word_swapped(client, attr->index, value); ++ return (err < 0) ? err : count; + } + + static ssize_t show_temp(struct device *dev, struct device_attribute *da, +@@ -66,11 +67,16 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *da, + { + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct i2c_client *client = to_i2c_client(dev); ++ int temp; ++ ++ s32 err = i2c_smbus_read_word_swapped(client, attr->index); ++ if (err < 0) ++ return err; ++ + /* use integer division instead of equivalent right shift to + guarantee arithmetic shift and preserve the sign */ +- int temp = ((s16) (i2c_smbus_read_word_swapped(client, +- attr->index))*250) / 32; +- return sprintf(buf, "%d\n", temp); ++ temp = (((s16) err) * 250) / 32; ++ return scnprintf(buf, PAGE_SIZE, "%d\n", temp); + } + + +diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h +index 568b4f1..3ade373 100644 +--- a/drivers/infiniband/hw/nes/nes.h ++++ b/drivers/infiniband/hw/nes/nes.h +@@ -524,6 +524,7 @@ void nes_iwarp_ce_handler(struct nes_device *, struct nes_hw_cq *); + int nes_destroy_cqp(struct nes_device *); + int nes_nic_cm_xmit(struct sk_buff *, struct net_device *); + void nes_recheck_link_status(struct work_struct *work); ++void nes_terminate_timeout(unsigned long context); + + /* nes_nic.c */ + struct net_device *nes_netdev_init(struct nes_device *, void __iomem *); +diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c +index 7c0ff19..4cd1bf7 100644 +--- a/drivers/infiniband/hw/nes/nes_hw.c ++++ b/drivers/infiniband/hw/nes/nes_hw.c +@@ -75,7 +75,6 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev, + static void process_critical_error(struct nes_device *nesdev); + static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number); + static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode); +-static void nes_terminate_timeout(unsigned long context); + static void nes_terminate_start_timer(struct nes_qp *nesqp); + + #ifdef CONFIG_INFINIBAND_NES_DEBUG +@@ -3522,7 +3521,7 @@ static void nes_terminate_received(struct nes_device *nesdev, + } + + /* Timeout routine in case terminate fails to complete */ +-static void nes_terminate_timeout(unsigned long context) ++void nes_terminate_timeout(unsigned long context) + { + struct nes_qp *nesqp = (struct nes_qp *)(unsigned long)context; + +@@ -3532,11 +3531,7 @@ static void nes_terminate_timeout(unsigned long context) + /* Set a timer in case hw cannot complete the terminate sequence */ + static void nes_terminate_start_timer(struct nes_qp *nesqp) + { +- init_timer(&nesqp->terminate_timer); +- nesqp->terminate_timer.function = nes_terminate_timeout; +- nesqp->terminate_timer.expires = jiffies + HZ; +- nesqp->terminate_timer.data = (unsigned long)nesqp; +- add_timer(&nesqp->terminate_timer); ++ mod_timer(&nesqp->terminate_timer, (jiffies + HZ)); + } + + /** +diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c +index 5095bc4..b0471b4 100644 +--- a/drivers/infiniband/hw/nes/nes_verbs.c ++++ b/drivers/infiniband/hw/nes/nes_verbs.c +@@ -1404,6 +1404,9 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, + } + + nesqp->sig_all = (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR); ++ init_timer(&nesqp->terminate_timer); ++ nesqp->terminate_timer.function = nes_terminate_timeout; ++ nesqp->terminate_timer.data = (unsigned long)nesqp; + + /* update the QP table */ + nesdev->nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = nesqp; +@@ -1413,7 +1416,6 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, + return &nesqp->ibqp; + } + +- + /** + * nes_clean_cq + */ +@@ -2559,6 +2561,11 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, + return ibmr; + case IWNES_MEMREG_TYPE_QP: + case IWNES_MEMREG_TYPE_CQ: ++ if (!region->length) { ++ nes_debug(NES_DBG_MR, "Unable to register zero length region for CQ\n"); ++ ib_umem_release(region); ++ return ERR_PTR(-EINVAL); ++ } + nespbl = kzalloc(sizeof(*nespbl), GFP_KERNEL); + if (!nespbl) { + nes_debug(NES_DBG_MR, "Unable to allocate PBL\n"); +diff --git a/drivers/net/wireless/ath/ath9k/ar9003_hw.c b/drivers/net/wireless/ath/ath9k/ar9003_hw.c +index e9d73e7..979d225 100644 +--- a/drivers/net/wireless/ath/ath9k/ar9003_hw.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_hw.c +@@ -701,8 +701,8 @@ static void ar9003_rx_gain_table_mode0(struct ath_hw *ah) + 2); + else if (AR_SREV_9485_11(ah)) + INIT_INI_ARRAY(&ah->iniModesRxGain, +- ar9485Common_wo_xlna_rx_gain_1_1, +- ARRAY_SIZE(ar9485Common_wo_xlna_rx_gain_1_1), ++ ar9485_common_rx_gain_1_1, ++ ARRAY_SIZE(ar9485_common_rx_gain_1_1), + 2); + else if (AR_SREV_9580(ah)) + INIT_INI_ARRAY(&ah->iniModesRxGain, +diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c +index 8a009bc..7ca84c3 100644 +--- a/drivers/net/wireless/p54/p54usb.c ++++ b/drivers/net/wireless/p54/p54usb.c +@@ -47,6 +47,7 @@ static struct usb_device_id p54u_table[] = { + {USB_DEVICE(0x0411, 0x0050)}, /* Buffalo WLI2-USB2-G54 */ + {USB_DEVICE(0x045e, 0x00c2)}, /* Microsoft MN-710 */ + {USB_DEVICE(0x0506, 0x0a11)}, /* 3COM 3CRWE254G72 */ ++ {USB_DEVICE(0x0675, 0x0530)}, /* DrayTek Vigor 530 */ + {USB_DEVICE(0x06b9, 0x0120)}, /* Thomson SpeedTouch 120g */ + {USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */ + {USB_DEVICE(0x07aa, 0x001c)}, /* Corega CG-WLUSB2GT */ +@@ -82,6 +83,8 @@ static struct usb_device_id p54u_table[] = { + {USB_DEVICE(0x06a9, 0x000e)}, /* Westell 802.11g USB (A90-211WG-01) */ + {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */ + {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */ ++ {USB_DEVICE(0x0803, 0x4310)}, /* Zoom 4410a */ ++ {USB_DEVICE(0x083a, 0x4503)}, /* T-Com Sinus 154 data II */ + {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */ + {USB_DEVICE(0x083a, 0xc501)}, /* Zoom Wireless-G 4410 */ + {USB_DEVICE(0x083a, 0xf503)}, /* Accton FD7050E ver 1010ec */ +@@ -101,6 +104,7 @@ static struct usb_device_id p54u_table[] = { + {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */ + {USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */ + {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ ++ /* {USB_DEVICE(0x15a9, 0x0002)}, * Also SparkLAN WL-682 with 3887 */ + {USB_DEVICE(0x1668, 0x1050)}, /* Actiontec 802UIG-1 */ + {USB_DEVICE(0x1740, 0x1000)}, /* Senao NUB-350 */ + {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */ +diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c +index fb19447..67cbe5a 100644 +--- a/drivers/net/wireless/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/rt2x00/rt2800lib.c +@@ -4208,7 +4208,8 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) + IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_PS_NULLFUNC_STACK | +- IEEE80211_HW_AMPDU_AGGREGATION; ++ IEEE80211_HW_AMPDU_AGGREGATION | ++ IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL; + /* + * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices + * unless we are capable of sending the buffered frames out after the +diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c +index 78fda9c..cab24f7 100644 +--- a/drivers/pci/quirks.c ++++ b/drivers/pci/quirks.c +@@ -2747,7 +2747,7 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev) + if (PCI_FUNC(dev->devfn)) + return; + /* +- * RICOH 0xe823 SD/MMC card reader fails to recognize ++ * RICOH 0xe822 and 0xe823 SD/MMC card readers fail to recognize + * certain types of SD/MMC cards. Lowering the SD base + * clock frequency from 200Mhz to 50Mhz fixes this issue. + * +@@ -2758,7 +2758,8 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev) + * 0xf9 - Key register for 0x150 + * 0xfc - key register for 0xe1 + */ +- if (dev->device == PCI_DEVICE_ID_RICOH_R5CE823) { ++ if (dev->device == PCI_DEVICE_ID_RICOH_R5CE822 || ++ dev->device == PCI_DEVICE_ID_RICOH_R5CE823) { + pci_write_config_byte(dev, 0xf9, 0xfc); + pci_write_config_byte(dev, 0x150, 0x10); + pci_write_config_byte(dev, 0xf9, 0x00); +@@ -2785,6 +2786,8 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev) + } + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832); + DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832); ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE822, ricoh_mmc_fixup_r5c832); ++DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE822, ricoh_mmc_fixup_r5c832); + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832); + DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832); + #endif /*CONFIG_MMC_RICOH_MMC*/ +diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c +index f93f412..f818dae 100644 +--- a/drivers/rtc/rtc-vt8500.c ++++ b/drivers/rtc/rtc-vt8500.c +@@ -69,7 +69,7 @@ + | ALARM_SEC_BIT) + + #define VT8500_RTC_CR_ENABLE (1 << 0) /* Enable RTC */ +-#define VT8500_RTC_CR_24H (1 << 1) /* 24h time format */ ++#define VT8500_RTC_CR_12H (1 << 1) /* 12h time format */ + #define VT8500_RTC_CR_SM_ENABLE (1 << 2) /* Enable periodic irqs */ + #define VT8500_RTC_CR_SM_SEC (1 << 3) /* 0: 1Hz/60, 1: 1Hz */ + #define VT8500_RTC_CR_CALIB (1 << 4) /* Enable calibration */ +@@ -118,7 +118,7 @@ static int vt8500_rtc_read_time(struct device *dev, struct rtc_time *tm) + tm->tm_min = bcd2bin((time & TIME_MIN_MASK) >> TIME_MIN_S); + tm->tm_hour = bcd2bin((time & TIME_HOUR_MASK) >> TIME_HOUR_S); + tm->tm_mday = bcd2bin(date & DATE_DAY_MASK); +- tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S); ++ tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S) - 1; + tm->tm_year = bcd2bin((date & DATE_YEAR_MASK) >> DATE_YEAR_S) + + ((date >> DATE_CENTURY_S) & 1 ? 200 : 100); + tm->tm_wday = (time & TIME_DOW_MASK) >> TIME_DOW_S; +@@ -137,8 +137,9 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm) + } + + writel((bin2bcd(tm->tm_year - 100) << DATE_YEAR_S) +- | (bin2bcd(tm->tm_mon) << DATE_MONTH_S) +- | (bin2bcd(tm->tm_mday)), ++ | (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S) ++ | (bin2bcd(tm->tm_mday)) ++ | ((tm->tm_year >= 200) << DATE_CENTURY_S), + vt8500_rtc->regbase + VT8500_RTC_DS); + writel((bin2bcd(tm->tm_wday) << TIME_DOW_S) + | (bin2bcd(tm->tm_hour) << TIME_HOUR_S) +@@ -248,7 +249,7 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev) + } + + /* Enable RTC and set it to 24-hour mode */ +- writel(VT8500_RTC_CR_ENABLE | VT8500_RTC_CR_24H, ++ writel(VT8500_RTC_CR_ENABLE, + vt8500_rtc->regbase + VT8500_RTC_CR); + + vt8500_rtc->rtc = rtc_device_register("vt8500-rtc", &pdev->dev, +diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c +index a4884a5..c6ad694 100644 +--- a/drivers/scsi/mvsas/mv_sas.c ++++ b/drivers/scsi/mvsas/mv_sas.c +@@ -1635,7 +1635,7 @@ int mvs_abort_task(struct sas_task *task) + mv_dprintk("mvs_abort_task() mvi=%p task=%p " + "slot=%p slot_idx=x%x\n", + mvi, task, slot, slot_idx); +- mvs_tmf_timedout((unsigned long)task); ++ task->task_state_flags |= SAS_TASK_STATE_ABORTED; + mvs_slot_task_free(mvi, task, slot, slot_idx); + rc = TMF_RESP_FUNC_COMPLETE; + goto out; +diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c +index d837d63..03cb95a 100644 +--- a/drivers/video/mxsfb.c ++++ b/drivers/video/mxsfb.c +@@ -366,7 +366,8 @@ static void mxsfb_disable_controller(struct fb_info *fb_info) + loop--; + } + +- writel(VDCTRL4_SYNC_SIGNALS_ON, host->base + LCDC_VDCTRL4 + REG_CLR); ++ reg = readl(host->base + LCDC_VDCTRL4); ++ writel(reg & ~VDCTRL4_SYNC_SIGNALS_ON, host->base + LCDC_VDCTRL4); + + clk_disable(host->clk); + +diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c +index 99a27cf..4e5dfb7 100644 +--- a/fs/cifs/transport.c ++++ b/fs/cifs/transport.c +@@ -485,6 +485,13 @@ send_nt_cancel(struct TCP_Server_Info *server, struct smb_hdr *in_buf, + mutex_unlock(&server->srv_mutex); + return rc; + } ++ ++ /* ++ * The response to this call was already factored into the sequence ++ * number when the call went out, so we must adjust it back downward ++ * after signing here. ++ */ ++ --server->sequence_number; + rc = smb_send(server, in_buf, be32_to_cpu(in_buf->smb_buf_length)); + mutex_unlock(&server->srv_mutex); + +diff --git a/fs/eventpoll.c b/fs/eventpoll.c +index a6f3763..451b9b8 100644 +--- a/fs/eventpoll.c ++++ b/fs/eventpoll.c +@@ -1197,10 +1197,30 @@ static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_even + * otherwise we might miss an event that happens between the + * f_op->poll() call and the new event set registering. + */ +- epi->event.events = event->events; ++ epi->event.events = event->events; /* need barrier below */ + epi->event.data = event->data; /* protected by mtx */ + + /* ++ * The following barrier has two effects: ++ * ++ * 1) Flush epi changes above to other CPUs. This ensures ++ * we do not miss events from ep_poll_callback if an ++ * event occurs immediately after we call f_op->poll(). ++ * We need this because we did not take ep->lock while ++ * changing epi above (but ep_poll_callback does take ++ * ep->lock). ++ * ++ * 2) We also need to ensure we do not miss _past_ events ++ * when calling f_op->poll(). This barrier also ++ * pairs with the barrier in wq_has_sleeper (see ++ * comments for wq_has_sleeper). ++ * ++ * This barrier will now guarantee ep_poll_callback or f_op->poll ++ * (or both) will notice the readiness of an item. ++ */ ++ smp_mb(); ++ ++ /* + * Get current event bits. We can safely use the file* here because + * its usage count has been increased by the caller of this function. + */ +diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c +index 191580a..fbb92e6 100644 +--- a/fs/ext4/extents.c ++++ b/fs/ext4/extents.c +@@ -2093,13 +2093,14 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block, + * removes index from the index block. + */ + static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode, +- struct ext4_ext_path *path) ++ struct ext4_ext_path *path, int depth) + { + int err; + ext4_fsblk_t leaf; + + /* free index block */ +- path--; ++ depth--; ++ path = path + depth; + leaf = ext4_idx_pblock(path->p_idx); + if (unlikely(path->p_hdr->eh_entries == 0)) { + EXT4_ERROR_INODE(inode, "path->p_hdr->eh_entries == 0"); +@@ -2124,6 +2125,19 @@ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode, + + ext4_free_blocks(handle, inode, NULL, leaf, 1, + EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET); ++ ++ while (--depth >= 0) { ++ if (path->p_idx != EXT_FIRST_INDEX(path->p_hdr)) ++ break; ++ path--; ++ err = ext4_ext_get_access(handle, inode, path); ++ if (err) ++ break; ++ path->p_idx->ei_block = (path+1)->p_idx->ei_block; ++ err = ext4_ext_dirty(handle, inode, path); ++ if (err) ++ break; ++ } + return err; + } + +@@ -2454,7 +2468,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode, + /* if this leaf is free, then we should + * remove it from index block above */ + if (err == 0 && eh->eh_entries == 0 && path[depth].p_bh != NULL) +- err = ext4_ext_rm_idx(handle, inode, path + depth); ++ err = ext4_ext_rm_idx(handle, inode, path, depth); + + out: + return err; +@@ -2587,7 +2601,7 @@ again: + /* index is empty, remove it; + * handle must be already prepared by the + * truncatei_leaf() */ +- err = ext4_ext_rm_idx(handle, inode, path + i); ++ err = ext4_ext_rm_idx(handle, inode, path, i); + } + /* root level has p_bh == NULL, brelse() eats this */ + brelse(path[i].p_bh); +diff --git a/fs/ext4/super.c b/fs/ext4/super.c +index f8d5fce..24ac7a2 100644 +--- a/fs/ext4/super.c ++++ b/fs/ext4/super.c +@@ -1942,6 +1942,16 @@ set_qf_format: + } + } + #endif ++ if (test_opt(sb, DIOREAD_NOLOCK)) { ++ int blocksize = ++ BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); ++ ++ if (blocksize < PAGE_CACHE_SIZE) { ++ ext4_msg(sb, KERN_ERR, "can't mount with " ++ "dioread_nolock if block size != PAGE_SIZE"); ++ return 0; ++ } ++ } + return 1; + } + +@@ -3367,15 +3377,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) + clear_opt(sb, DELALLOC); + } + +- blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size); +- if (test_opt(sb, DIOREAD_NOLOCK)) { +- if (blocksize < PAGE_SIZE) { +- ext4_msg(sb, KERN_ERR, "can't mount with " +- "dioread_nolock if block size != PAGE_SIZE"); +- goto failed_mount; +- } +- } +- + sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | + (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0); + +@@ -3417,6 +3418,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) + if (!ext4_feature_set_ok(sb, (sb->s_flags & MS_RDONLY))) + goto failed_mount; + ++ blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size); + if (blocksize < EXT4_MIN_BLOCK_SIZE || + blocksize > EXT4_MAX_BLOCK_SIZE) { + ext4_msg(sb, KERN_ERR, +@@ -4652,7 +4654,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) + } + + ext4_setup_system_zone(sb); +- if (sbi->s_journal == NULL) ++ if (sbi->s_journal == NULL && !(old_sb_flags & MS_RDONLY)) + ext4_commit_super(sb, 1); + + #ifdef CONFIG_QUOTA +diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c +index 8267de5..d7dd774 100644 +--- a/fs/jbd2/transaction.c ++++ b/fs/jbd2/transaction.c +@@ -179,7 +179,8 @@ repeat: + if (!new_transaction) + goto alloc_transaction; + write_lock(&journal->j_state_lock); +- if (!journal->j_running_transaction) { ++ if (!journal->j_running_transaction && ++ !journal->j_barrier_count) { + jbd2_get_transaction(journal, new_transaction); + new_transaction = NULL; + } +diff --git a/fs/nfs/super.c b/fs/nfs/super.c +index 8150344..1943898 100644 +--- a/fs/nfs/super.c ++++ b/fs/nfs/super.c +@@ -1057,7 +1057,7 @@ static int nfs_get_option_str(substring_t args[], char **option) + { + kfree(*option); + *option = match_strdup(args); +- return !option; ++ return !*option; + } + + static int nfs_get_option_ul(substring_t args[], unsigned long *option) +diff --git a/fs/udf/inode.c b/fs/udf/inode.c +index 15df1a4..af37ce3 100644 +--- a/fs/udf/inode.c ++++ b/fs/udf/inode.c +@@ -581,6 +581,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, + struct udf_inode_info *iinfo = UDF_I(inode); + int goal = 0, pgoal = iinfo->i_location.logicalBlockNum; + int lastblock = 0; ++ bool isBeyondEOF; + + prev_epos.offset = udf_file_entry_alloc_offset(inode); + prev_epos.block = iinfo->i_location; +@@ -659,7 +660,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, + /* Are we beyond EOF? */ + if (etype == -1) { + int ret; +- ++ isBeyondEOF = 1; + if (count) { + if (c) + laarr[0] = laarr[1]; +@@ -702,6 +703,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, + endnum = c + 1; + lastblock = 1; + } else { ++ isBeyondEOF = 0; + endnum = startnum = ((count > 2) ? 2 : count); + + /* if the current extent is in position 0, +@@ -749,7 +751,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, + *err = -ENOSPC; + return NULL; + } +- iinfo->i_lenExtents += inode->i_sb->s_blocksize; ++ if (isBeyondEOF) ++ iinfo->i_lenExtents += inode->i_sb->s_blocksize; + } + + /* if the extent the requsted block is located in contains multiple +diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h +index e58fa77..34e0274 100644 +--- a/include/asm-generic/tlb.h ++++ b/include/asm-generic/tlb.h +@@ -78,6 +78,14 @@ struct mmu_gather_batch { + #define MAX_GATHER_BATCH \ + ((PAGE_SIZE - sizeof(struct mmu_gather_batch)) / sizeof(void *)) + ++/* ++ * Limit the maximum number of mmu_gather batches to reduce a risk of soft ++ * lockups for non-preemptible kernels on huge machines when a lot of memory ++ * is zapped during unmapping. ++ * 10K pages freed at once should be safe even without a preemption point. ++ */ ++#define MAX_GATHER_BATCH_COUNT (10000UL/MAX_GATHER_BATCH) ++ + /* struct mmu_gather is an opaque type used by the mm code for passing around + * any data needed by arch specific code for tlb_remove_page. + */ +@@ -94,6 +102,7 @@ struct mmu_gather { + struct mmu_gather_batch *active; + struct mmu_gather_batch local; + struct page *__pages[MMU_GATHER_BUNDLE]; ++ unsigned int batch_count; + }; + + #define HAVE_GENERIC_MMU_GATHER +diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h +index 59e4028..3fd17c2 100644 +--- a/include/linux/compiler-gcc.h ++++ b/include/linux/compiler-gcc.h +@@ -50,6 +50,11 @@ + # define inline inline __attribute__((always_inline)) + # define __inline__ __inline__ __attribute__((always_inline)) + # define __inline __inline __attribute__((always_inline)) ++#else ++/* A lot of inline functions can cause havoc with function tracing */ ++# define inline inline notrace ++# define __inline__ __inline__ notrace ++# define __inline __inline notrace + #endif + + #define __deprecated __attribute__((deprecated)) +diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h +index e90a673..8d9b903 100644 +--- a/include/linux/page-flags.h ++++ b/include/linux/page-flags.h +@@ -360,7 +360,7 @@ static inline void ClearPageCompound(struct page *page) + * pages on the LRU and/or pagecache. + */ + TESTPAGEFLAG(Compound, compound) +-__PAGEFLAG(Head, compound) ++__SETPAGEFLAG(Head, compound) __CLEARPAGEFLAG(Head, compound) + + /* + * PG_reclaim is used in combination with PG_compound to mark the +@@ -372,8 +372,14 @@ __PAGEFLAG(Head, compound) + * PG_compound & PG_reclaim => Tail page + * PG_compound & ~PG_reclaim => Head page + */ ++#define PG_head_mask ((1L << PG_compound)) + #define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim)) + ++static inline int PageHead(struct page *page) ++{ ++ return ((page->flags & PG_head_tail_mask) == PG_head_mask); ++} ++ + static inline int PageTail(struct page *page) + { + return ((page->flags & PG_head_tail_mask) == PG_head_tail_mask); +diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h +index 5776609..3db3da1 100644 +--- a/include/linux/pci_ids.h ++++ b/include/linux/pci_ids.h +@@ -1543,6 +1543,7 @@ + #define PCI_DEVICE_ID_RICOH_RL5C476 0x0476 + #define PCI_DEVICE_ID_RICOH_RL5C478 0x0478 + #define PCI_DEVICE_ID_RICOH_R5C822 0x0822 ++#define PCI_DEVICE_ID_RICOH_R5CE822 0xe822 + #define PCI_DEVICE_ID_RICOH_R5CE823 0xe823 + #define PCI_DEVICE_ID_RICOH_R5C832 0x0832 + #define PCI_DEVICE_ID_RICOH_R5C843 0x0843 +diff --git a/include/linux/snmp.h b/include/linux/snmp.h +index e16557a..64f5ca7 100644 +--- a/include/linux/snmp.h ++++ b/include/linux/snmp.h +@@ -209,7 +209,6 @@ enum + LINUX_MIB_TCPDSACKOFOSENT, /* TCPDSACKOfoSent */ + LINUX_MIB_TCPDSACKRECV, /* TCPDSACKRecv */ + LINUX_MIB_TCPDSACKOFORECV, /* TCPDSACKOfoRecv */ +- LINUX_MIB_TCPABORTONSYN, /* TCPAbortOnSyn */ + LINUX_MIB_TCPABORTONDATA, /* TCPAbortOnData */ + LINUX_MIB_TCPABORTONCLOSE, /* TCPAbortOnClose */ + LINUX_MIB_TCPABORTONMEMORY, /* TCPAbortOnMemory */ +@@ -233,6 +232,8 @@ enum + LINUX_MIB_TCPTIMEWAITOVERFLOW, /* TCPTimeWaitOverflow */ + LINUX_MIB_TCPREQQFULLDOCOOKIES, /* TCPReqQFullDoCookies */ + LINUX_MIB_TCPREQQFULLDROP, /* TCPReqQFullDrop */ ++ LINUX_MIB_TCPCHALLENGEACK, /* TCPChallengeACK */ ++ LINUX_MIB_TCPSYNCHALLENGE, /* TCPSYNChallenge */ + __LINUX_MIB_MAX + }; + +diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h +index e6db62e..ca2755f 100644 +--- a/include/net/inet_connection_sock.h ++++ b/include/net/inet_connection_sock.h +@@ -317,6 +317,7 @@ extern void inet_csk_reqsk_queue_prune(struct sock *parent, + const unsigned long max_rto); + + extern void inet_csk_destroy_sock(struct sock *sk); ++extern void inet_csk_prepare_forced_close(struct sock *sk); + + /* + * LISTEN is a special case for poll.. +diff --git a/include/net/mac80211.h b/include/net/mac80211.h +index 72eddd1..1a6201a 100644 +--- a/include/net/mac80211.h ++++ b/include/net/mac80211.h +@@ -1128,6 +1128,10 @@ enum sta_notify_cmd { + * @IEEE80211_HW_TX_AMPDU_SETUP_IN_HW: The device handles TX A-MPDU session + * setup strictly in HW. mac80211 should not attempt to do this in + * software. ++ * ++ * @IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL: On this hardware TX BA session ++ * should be tear down once BAR frame will not be acked. ++ * + */ + enum ieee80211_hw_flags { + IEEE80211_HW_HAS_RATE_CONTROL = 1<<0, +@@ -1154,6 +1158,7 @@ enum ieee80211_hw_flags { + IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21, + IEEE80211_HW_AP_LINK_PS = 1<<22, + IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23, ++ IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL = 1<<26, + }; + + /** +diff --git a/include/net/tcp.h b/include/net/tcp.h +index bb18c4d..0768715 100644 +--- a/include/net/tcp.h ++++ b/include/net/tcp.h +@@ -251,6 +251,7 @@ extern int sysctl_tcp_max_ssthresh; + extern int sysctl_tcp_cookie_size; + extern int sysctl_tcp_thin_linear_timeouts; + extern int sysctl_tcp_thin_dupack; ++extern int sysctl_tcp_challenge_ack_limit; + + extern atomic_long_t tcp_memory_allocated; + extern struct percpu_counter tcp_sockets_allocated; +diff --git a/mm/memory.c b/mm/memory.c +index 15e686a..4f2add1 100644 +--- a/mm/memory.c ++++ b/mm/memory.c +@@ -205,10 +205,14 @@ static int tlb_next_batch(struct mmu_gather *tlb) + return 1; + } + ++ if (tlb->batch_count == MAX_GATHER_BATCH_COUNT) ++ return 0; ++ + batch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0); + if (!batch) + return 0; + ++ tlb->batch_count++; + batch->next = NULL; + batch->nr = 0; + batch->max = MAX_GATHER_BATCH; +@@ -235,6 +239,7 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm) + tlb->local.nr = 0; + tlb->local.max = ARRAY_SIZE(tlb->__pages); + tlb->active = &tlb->local; ++ tlb->batch_count = 0; + + #ifdef CONFIG_HAVE_RCU_TABLE_FREE + tlb->batch = NULL; +diff --git a/mm/mempolicy.c b/mm/mempolicy.c +index c59d44b..4d1e637 100644 +--- a/mm/mempolicy.c ++++ b/mm/mempolicy.c +@@ -2334,8 +2334,7 @@ void numa_default_policy(void) + */ + + /* +- * "local" is pseudo-policy: MPOL_PREFERRED with MPOL_F_LOCAL flag +- * Used only for mpol_parse_str() and mpol_to_str() ++ * "local" is implemented internally by MPOL_PREFERRED with MPOL_F_LOCAL flag. + */ + #define MPOL_LOCAL MPOL_MAX + static const char * const policy_modes[] = +@@ -2350,28 +2349,21 @@ static const char * const policy_modes[] = + + #ifdef CONFIG_TMPFS + /** +- * mpol_parse_str - parse string to mempolicy ++ * mpol_parse_str - parse string to mempolicy, for tmpfs mpol mount option. + * @str: string containing mempolicy to parse + * @mpol: pointer to struct mempolicy pointer, returned on success. +- * @no_context: flag whether to "contextualize" the mempolicy ++ * @unused: redundant argument, to be removed later. + * + * Format of input: + * <mode>[=<flags>][:<nodelist>] + * +- * if @no_context is true, save the input nodemask in w.user_nodemask in +- * the returned mempolicy. This will be used to "clone" the mempolicy in +- * a specific context [cpuset] at a later time. Used to parse tmpfs mpol +- * mount option. Note that if 'static' or 'relative' mode flags were +- * specified, the input nodemask will already have been saved. Saving +- * it again is redundant, but safe. +- * + * On success, returns 0, else 1 + */ +-int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context) ++int mpol_parse_str(char *str, struct mempolicy **mpol, int unused) + { + struct mempolicy *new = NULL; + unsigned short mode; +- unsigned short uninitialized_var(mode_flags); ++ unsigned short mode_flags; + nodemask_t nodes; + char *nodelist = strchr(str, ':'); + char *flags = strchr(str, '='); +@@ -2459,24 +2451,23 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context) + if (IS_ERR(new)) + goto out; + +- if (no_context) { +- /* save for contextualization */ +- new->w.user_nodemask = nodes; +- } else { +- int ret; +- NODEMASK_SCRATCH(scratch); +- if (scratch) { +- task_lock(current); +- ret = mpol_set_nodemask(new, &nodes, scratch); +- task_unlock(current); +- } else +- ret = -ENOMEM; +- NODEMASK_SCRATCH_FREE(scratch); +- if (ret) { +- mpol_put(new); +- goto out; +- } +- } ++ /* ++ * Save nodes for mpol_to_str() to show the tmpfs mount options ++ * for /proc/mounts, /proc/pid/mounts and /proc/pid/mountinfo. ++ */ ++ if (mode != MPOL_PREFERRED) ++ new->v.nodes = nodes; ++ else if (nodelist) ++ new->v.preferred_node = first_node(nodes); ++ else ++ new->flags |= MPOL_F_LOCAL; ++ ++ /* ++ * Save nodes for contextualization: this will be used to "clone" ++ * the mempolicy in a specific context [cpuset] at a later time. ++ */ ++ new->w.user_nodemask = nodes; ++ + err = 0; + + out: +@@ -2496,13 +2487,13 @@ out: + * @buffer: to contain formatted mempolicy string + * @maxlen: length of @buffer + * @pol: pointer to mempolicy to be formatted +- * @no_context: "context free" mempolicy - use nodemask in w.user_nodemask ++ * @unused: redundant argument, to be removed later. + * + * Convert a mempolicy into a string. + * Returns the number of characters in buffer (if positive) + * or an error (negative) + */ +-int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context) ++int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int unused) + { + char *p = buffer; + int l; +@@ -2528,7 +2519,7 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context) + case MPOL_PREFERRED: + nodes_clear(nodes); + if (flags & MPOL_F_LOCAL) +- mode = MPOL_LOCAL; /* pseudo-policy */ ++ mode = MPOL_LOCAL; + else + node_set(pol->v.preferred_node, nodes); + break; +@@ -2536,10 +2527,7 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context) + case MPOL_BIND: + /* Fall through */ + case MPOL_INTERLEAVE: +- if (no_context) +- nodes = pol->w.user_nodemask; +- else +- nodes = pol->v.nodes; ++ nodes = pol->v.nodes; + break; + + default: +diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c +index 3f4e541..72416c8 100644 +--- a/net/dccp/ipv4.c ++++ b/net/dccp/ipv4.c +@@ -434,8 +434,8 @@ exit: + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); + return NULL; + put_and_exit: +- bh_unlock_sock(newsk); +- sock_put(newsk); ++ inet_csk_prepare_forced_close(newsk); ++ dccp_done(newsk); + goto exit; + } + +diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c +index 17ee85c..592b78c 100644 +--- a/net/dccp/ipv6.c ++++ b/net/dccp/ipv6.c +@@ -609,7 +609,8 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, + newinet->inet_rcv_saddr = LOOPBACK4_IPV6; + + if (__inet_inherit_port(sk, newsk) < 0) { +- sock_put(newsk); ++ inet_csk_prepare_forced_close(newsk); ++ dccp_done(newsk); + goto out; + } + __inet6_hash(newsk, NULL); +diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c +index c14d88a..907ef2c 100644 +--- a/net/ipv4/inet_connection_sock.c ++++ b/net/ipv4/inet_connection_sock.c +@@ -647,6 +647,22 @@ void inet_csk_destroy_sock(struct sock *sk) + } + EXPORT_SYMBOL(inet_csk_destroy_sock); + ++/* This function allows to force a closure of a socket after the call to ++ * tcp/dccp_create_openreq_child(). ++ */ ++void inet_csk_prepare_forced_close(struct sock *sk) ++{ ++ /* sk_clone_lock locked the socket and set refcnt to 2 */ ++ bh_unlock_sock(sk); ++ sock_put(sk); ++ ++ /* The below has to be done to allow calling inet_csk_destroy_sock */ ++ sock_set_flag(sk, SOCK_DEAD); ++ percpu_counter_inc(sk->sk_prot->orphan_count); ++ inet_sk(sk)->inet_num = 0; ++} ++EXPORT_SYMBOL(inet_csk_prepare_forced_close); ++ + int inet_csk_listen_start(struct sock *sk, const int nr_table_entries) + { + struct inet_sock *inet = inet_sk(sk); +diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c +index 466ea8b..f7fdbe9 100644 +--- a/net/ipv4/proc.c ++++ b/net/ipv4/proc.c +@@ -233,7 +233,6 @@ static const struct snmp_mib snmp4_net_list[] = { + SNMP_MIB_ITEM("TCPDSACKOfoSent", LINUX_MIB_TCPDSACKOFOSENT), + SNMP_MIB_ITEM("TCPDSACKRecv", LINUX_MIB_TCPDSACKRECV), + SNMP_MIB_ITEM("TCPDSACKOfoRecv", LINUX_MIB_TCPDSACKOFORECV), +- SNMP_MIB_ITEM("TCPAbortOnSyn", LINUX_MIB_TCPABORTONSYN), + SNMP_MIB_ITEM("TCPAbortOnData", LINUX_MIB_TCPABORTONDATA), + SNMP_MIB_ITEM("TCPAbortOnClose", LINUX_MIB_TCPABORTONCLOSE), + SNMP_MIB_ITEM("TCPAbortOnMemory", LINUX_MIB_TCPABORTONMEMORY), +@@ -257,6 +256,8 @@ static const struct snmp_mib snmp4_net_list[] = { + SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW), + SNMP_MIB_ITEM("TCPReqQFullDoCookies", LINUX_MIB_TCPREQQFULLDOCOOKIES), + SNMP_MIB_ITEM("TCPReqQFullDrop", LINUX_MIB_TCPREQQFULLDROP), ++ SNMP_MIB_ITEM("TCPChallengeACK", LINUX_MIB_TCPCHALLENGEACK), ++ SNMP_MIB_ITEM("TCPSYNChallenge", LINUX_MIB_TCPSYNCHALLENGE), + SNMP_MIB_SENTINEL + }; + +diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c +index 69fd720..5485077 100644 +--- a/net/ipv4/sysctl_net_ipv4.c ++++ b/net/ipv4/sysctl_net_ipv4.c +@@ -552,6 +552,13 @@ static struct ctl_table ipv4_table[] = { + .mode = 0644, + .proc_handler = proc_dointvec + }, ++ { ++ .procname = "tcp_challenge_ack_limit", ++ .data = &sysctl_tcp_challenge_ack_limit, ++ .maxlen = sizeof(int), ++ .mode = 0644, ++ .proc_handler = proc_dointvec ++ }, + #ifdef CONFIG_NET_DMA + { + .procname = "tcp_dma_copybreak", +diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c +index a08a621..aab8f08 100644 +--- a/net/ipv4/tcp_input.c ++++ b/net/ipv4/tcp_input.c +@@ -86,6 +86,9 @@ int sysctl_tcp_app_win __read_mostly = 31; + int sysctl_tcp_adv_win_scale __read_mostly = 1; + EXPORT_SYMBOL(sysctl_tcp_adv_win_scale); + ++/* rfc5961 challenge ack rate limiting */ ++int sysctl_tcp_challenge_ack_limit = 100; ++ + int sysctl_tcp_stdurg __read_mostly; + int sysctl_tcp_rfc1337 __read_mostly; + int sysctl_tcp_max_orphans __read_mostly = NR_FILE; +@@ -3700,6 +3703,24 @@ static int tcp_process_frto(struct sock *sk, int flag) + return 0; + } + ++/* RFC 5961 7 [ACK Throttling] */ ++static void tcp_send_challenge_ack(struct sock *sk) ++{ ++ /* unprotected vars, we dont care of overwrites */ ++ static u32 challenge_timestamp; ++ static unsigned int challenge_count; ++ u32 now = jiffies / HZ; ++ ++ if (now != challenge_timestamp) { ++ challenge_timestamp = now; ++ challenge_count = 0; ++ } ++ if (++challenge_count <= sysctl_tcp_challenge_ack_limit) { ++ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPCHALLENGEACK); ++ tcp_send_ack(sk); ++ } ++} ++ + /* This routine deals with incoming acks, but not outgoing ones. */ + static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) + { +@@ -3718,8 +3739,14 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) + /* If the ack is older than previous acks + * then we can probably ignore it. + */ +- if (before(ack, prior_snd_una)) ++ if (before(ack, prior_snd_una)) { ++ /* RFC 5961 5.2 [Blind Data Injection Attack].[Mitigation] */ ++ if (before(ack, prior_snd_una - tp->max_window)) { ++ tcp_send_challenge_ack(sk); ++ return -1; ++ } + goto old_ack; ++ } + + /* If the ack includes data we haven't sent yet, discard + * this segment (RFC793 Section 3.9). +@@ -5243,8 +5270,8 @@ out: + /* Does PAWS and seqno based validation of an incoming segment, flags will + * play significant role here. + */ +-static int tcp_validate_incoming(struct sock *sk, struct sk_buff *skb, +- const struct tcphdr *th, int syn_inerr) ++static bool tcp_validate_incoming(struct sock *sk, struct sk_buff *skb, ++ const struct tcphdr *th, int syn_inerr) + { + const u8 *hash_location; + struct tcp_sock *tp = tcp_sk(sk); +@@ -5269,38 +5296,48 @@ static int tcp_validate_incoming(struct sock *sk, struct sk_buff *skb, + * an acknowledgment should be sent in reply (unless the RST + * bit is set, if so drop the segment and return)". + */ +- if (!th->rst) ++ if (!th->rst) { ++ if (th->syn) ++ goto syn_challenge; + tcp_send_dupack(sk, skb); ++ } + goto discard; + } + + /* Step 2: check RST bit */ + if (th->rst) { +- tcp_reset(sk); ++ /* RFC 5961 3.2 : ++ * If sequence number exactly matches RCV.NXT, then ++ * RESET the connection ++ * else ++ * Send a challenge ACK ++ */ ++ if (TCP_SKB_CB(skb)->seq == tp->rcv_nxt) ++ tcp_reset(sk); ++ else ++ tcp_send_challenge_ack(sk); + goto discard; + } + +- /* ts_recent update must be made after we are sure that the packet +- * is in window. +- */ +- tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq); +- + /* step 3: check security and precedence [ignored] */ + +- /* step 4: Check for a SYN in window. */ +- if (th->syn && !before(TCP_SKB_CB(skb)->seq, tp->rcv_nxt)) { ++ /* step 4: Check for a SYN ++ * RFC 5691 4.2 : Send a challenge ack ++ */ ++ if (th->syn) { ++syn_challenge: + if (syn_inerr) + TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_INERRS); +- NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPABORTONSYN); +- tcp_reset(sk); +- return -1; ++ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPSYNCHALLENGE); ++ tcp_send_challenge_ack(sk); ++ goto discard; + } + +- return 1; ++ return true; + + discard: + __kfree_skb(skb); +- return 0; ++ return false; + } + + /* +@@ -5330,7 +5367,6 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb, + const struct tcphdr *th, unsigned int len) + { + struct tcp_sock *tp = tcp_sk(sk); +- int res; + + /* + * Header prediction. +@@ -5510,14 +5546,18 @@ slow_path: + * Standard slow path. + */ + +- res = tcp_validate_incoming(sk, skb, th, 1); +- if (res <= 0) +- return -res; ++ if (!tcp_validate_incoming(sk, skb, th, 1)) ++ return 0; + + step5: + if (th->ack && tcp_ack(sk, skb, FLAG_SLOWPATH) < 0) + goto discard; + ++ /* ts_recent update must be made after we are sure that the packet ++ * is in window. ++ */ ++ tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq); ++ + tcp_rcv_rtt_measure_ts(sk, skb); + + /* Process urgent data. */ +@@ -5822,7 +5862,6 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, + struct tcp_sock *tp = tcp_sk(sk); + struct inet_connection_sock *icsk = inet_csk(sk); + int queued = 0; +- int res; + + tp->rx_opt.saw_tstamp = 0; + +@@ -5877,9 +5916,8 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, + return 0; + } + +- res = tcp_validate_incoming(sk, skb, th, 0); +- if (res <= 0) +- return -res; ++ if (!tcp_validate_incoming(sk, skb, th, 0)) ++ return 0; + + /* step 5: check the ACK field */ + if (th->ack) { +@@ -5990,6 +6028,11 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, + } else + goto discard; + ++ /* ts_recent update must be made after we are sure that the packet ++ * is in window. ++ */ ++ tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq); ++ + /* step 6: check the URG bit */ + tcp_urg(sk, skb, th); + +diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c +index 58c09a0..a97c9ad 100644 +--- a/net/ipv4/tcp_ipv4.c ++++ b/net/ipv4/tcp_ipv4.c +@@ -1520,9 +1520,8 @@ exit: + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); + return NULL; + put_and_exit: +- tcp_clear_xmit_timers(newsk); +- bh_unlock_sock(newsk); +- sock_put(newsk); ++ inet_csk_prepare_forced_close(newsk); ++ tcp_done(newsk); + goto exit; + } + EXPORT_SYMBOL(tcp_v4_syn_recv_sock); +diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c +index ccab3c8..db10805 100644 +--- a/net/ipv6/tcp_ipv6.c ++++ b/net/ipv6/tcp_ipv6.c +@@ -1524,7 +1524,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, + #endif + + if (__inet_inherit_port(sk, newsk) < 0) { +- sock_put(newsk); ++ inet_csk_prepare_forced_close(newsk); ++ tcp_done(newsk); + goto out; + } + __inet6_hash(newsk, NULL); +diff --git a/net/mac80211/status.c b/net/mac80211/status.c +index 16518f3..67df50e 100644 +--- a/net/mac80211/status.c ++++ b/net/mac80211/status.c +@@ -429,7 +429,11 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) + IEEE80211_BAR_CTRL_TID_INFO_MASK) >> + IEEE80211_BAR_CTRL_TID_INFO_SHIFT; + +- ieee80211_set_bar_pending(sta, tid, ssn); ++ if (local->hw.flags & ++ IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL) ++ ieee80211_stop_tx_ba_session(&sta->sta, tid); ++ else ++ ieee80211_set_bar_pending(sta, tid, ssn); + } + } + +diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c +index 29b942c..f08b9166 100644 +--- a/net/sched/sch_htb.c ++++ b/net/sched/sch_htb.c +@@ -876,7 +876,7 @@ ok: + q->now = psched_get_time(); + start_at = jiffies; + +- next_event = q->now + 5 * PSCHED_TICKS_PER_SEC; ++ next_event = q->now + 5LLU * PSCHED_TICKS_PER_SEC; + + for (level = 0; level < TC_HTB_MAXDEPTH; level++) { + /* common case optimization - skip event handler quickly */ +diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c +index c90b832..56c3f85 100644 +--- a/net/sunrpc/sched.c ++++ b/net/sunrpc/sched.c +@@ -880,16 +880,35 @@ struct rpc_task *rpc_new_task(const struct rpc_task_setup *setup_data) + return task; + } + ++/* ++ * rpc_free_task - release rpc task and perform cleanups ++ * ++ * Note that we free up the rpc_task _after_ rpc_release_calldata() ++ * in order to work around a workqueue dependency issue. ++ * ++ * Tejun Heo states: ++ * "Workqueue currently considers two work items to be the same if they're ++ * on the same address and won't execute them concurrently - ie. it ++ * makes a work item which is queued again while being executed wait ++ * for the previous execution to complete. ++ * ++ * If a work function frees the work item, and then waits for an event ++ * which should be performed by another work item and *that* work item ++ * recycles the freed work item, it can create a false dependency loop. ++ * There really is no reliable way to detect this short of verifying ++ * every memory free." ++ * ++ */ + static void rpc_free_task(struct rpc_task *task) + { +- const struct rpc_call_ops *tk_ops = task->tk_ops; +- void *calldata = task->tk_calldata; ++ unsigned short tk_flags = task->tk_flags; ++ ++ rpc_release_calldata(task->tk_ops, task->tk_calldata); + +- if (task->tk_flags & RPC_TASK_DYNAMIC) { ++ if (tk_flags & RPC_TASK_DYNAMIC) { + dprintk("RPC: %5u freeing task\n", task->tk_pid); + mempool_free(task, rpc_task_mempool); + } +- rpc_release_calldata(tk_ops, calldata); + } + + static void rpc_async_release(struct work_struct *work) |