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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2006-03-07 21:55:28 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-08 14:14:00 -0800
commit707ced0d718e89b52b13aa55a64653083e792cca (patch)
tree3b3276325c3ad5a1de5205971ae6367eb890a426
parent81c29a857d3c8d6ea9c4f20d196c36bf0a07c615 (diff)
downloadop-kernel-dev-707ced0d718e89b52b13aa55a64653083e792cca.zip
op-kernel-dev-707ced0d718e89b52b13aa55a64653083e792cca.tar.gz
[PATCH] __get_unaligned() gcc-4 fix
If the 'ptr' is a const, this code cause "assignment of read-only variable" error on gcc 4.x. Use __u64 instead of __typeof__(*(ptr)) for temporary variable to get rid of errors on gcc 4.x. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--include/asm-generic/unaligned.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h
index 4dc8ddb..09ec447 100644
--- a/include/asm-generic/unaligned.h
+++ b/include/asm-generic/unaligned.h
@@ -78,7 +78,7 @@ static inline void __ustw(__u16 val, __u16 *addr)
#define __get_unaligned(ptr, size) ({ \
const void *__gu_p = ptr; \
- __typeof__(*(ptr)) val; \
+ __u64 val; \
switch (size) { \
case 1: \
val = *(const __u8 *)__gu_p; \
@@ -95,7 +95,7 @@ static inline void __ustw(__u16 val, __u16 *addr)
default: \
bad_unaligned_access_length(); \
}; \
- val; \
+ (__typeof__(*(ptr)))val; \
})
#define __put_unaligned(val, ptr, size) \
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