From: Andrew Morton <akpm@linux-foundation.org>

fs/ext3/ioctl.c: In function `ext3_ioctl':
fs/ext3/ioctl.c:266: warning: 'err2' might be used uninitialized in this function
fs/ext3/ioctl.c:242: warning: 'err2' might be used uninitialized in this function


Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/w1/w1.h |   20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff -puN drivers/w1/w1.h~w1-build-fix drivers/w1/w1.h
--- a/drivers/w1/w1.h~w1-build-fix
+++ a/drivers/w1/w1.h
@@ -22,19 +22,23 @@
 #ifndef __W1_H
 #define __W1_H
 
-struct w1_reg_num
-{
+struct w1_reg_num {
+	union {
+		__u64 unused;	/* So gcc will permit pointers to this struct */
+		struct {
 #if defined(__LITTLE_ENDIAN_BITFIELD)
-	__u64	family:8,
-		id:48,
-		crc:8;
+			__u64	family:8,
+				id:48,
+				crc:8;
 #elif defined(__BIG_ENDIAN_BITFIELD)
-	__u64	crc:8,
-		id:48,
-		family:8;
+			__u64	crc:8,
+				id:48,
+				family:8;
 #else
 #error "Please fix <asm/byteorder.h>"
 #endif
+		};
+	};
 };
 
 #ifdef __KERNEL__
_