--- kmodule/mfifo.h
+++ kmodule/mfifo.h
@@ -20,7 +20,11 @@
 
 	void (*wrap) (mfifo_t *fifo, int *ending);
 	int  (*space) (mfifo_t *fifo);
-};
+}
+#ifdef __no_const
+__no_const
+#endif
+;
 
 struct _mfifo {
 	/* struct circ_buf header; */