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| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2006-03-07 21:55:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-08 14:14:00 -0800 |
| commit | 707ced0d718e89b52b13aa55a64653083e792cca (patch) | |
| tree | 3b3276325c3ad5a1de5205971ae6367eb890a426 | |
| parent | 81c29a857d3c8d6ea9c4f20d196c36bf0a07c615 (diff) | |
| download | linux-707ced0d718e89b52b13aa55a64653083e792cca.tar.gz linux-707ced0d718e89b52b13aa55a64653083e792cca.tar.bz2 linux-707ced0d718e89b52b13aa55a64653083e792cca.zip | |
[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.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h index 4dc8ddb401c1..09ec447fe2af 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) \ |