diff options
Diffstat (limited to 'include/asm-generic/unaligned.h')
| -rw-r--r-- | include/asm-generic/unaligned.h | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h index 09ec447fe2af..2fe1b2e67f01 100644 --- a/include/asm-generic/unaligned.h +++ b/include/asm-generic/unaligned.h @@ -18,7 +18,8 @@ #define get_unaligned(ptr) \ __get_unaligned((ptr), sizeof(*(ptr))) #define put_unaligned(x,ptr) \ - __put_unaligned((__u64)(x), (ptr), sizeof(*(ptr))) + ((void)sizeof(*(ptr)=(x)),\ + __put_unaligned((__force __u64)(x), (ptr), sizeof(*(ptr)))) /* * This function doesn't actually exist. The idea is that when @@ -78,38 +79,38 @@ static inline void __ustw(__u16 val, __u16 *addr) #define __get_unaligned(ptr, size) ({ \ const void *__gu_p = ptr; \ - __u64 val; \ + __u64 __val; \ switch (size) { \ case 1: \ - val = *(const __u8 *)__gu_p; \ + __val = *(const __u8 *)__gu_p; \ break; \ case 2: \ - val = __uldw(__gu_p); \ + __val = __uldw(__gu_p); \ break; \ case 4: \ - val = __uldl(__gu_p); \ + __val = __uldl(__gu_p); \ break; \ case 8: \ - val = __uldq(__gu_p); \ + __val = __uldq(__gu_p); \ break; \ default: \ bad_unaligned_access_length(); \ }; \ - (__typeof__(*(ptr)))val; \ + (__force __typeof__(*(ptr)))__val; \ }) #define __put_unaligned(val, ptr, size) \ -do { \ +({ \ void *__gu_p = ptr; \ switch (size) { \ case 1: \ - *(__u8 *)__gu_p = val; \ + *(__u8 *)__gu_p = (__force __u8)val; \ break; \ case 2: \ - __ustw(val, __gu_p); \ + __ustw((__force __u16)val, __gu_p); \ break; \ case 4: \ - __ustl(val, __gu_p); \ + __ustl((__force __u32)val, __gu_p); \ break; \ case 8: \ __ustq(val, __gu_p); \ @@ -117,6 +118,7 @@ do { \ default: \ bad_unaligned_access_length(); \ }; \ -} while(0) + (void)0; \ +}) #endif /* _ASM_GENERIC_UNALIGNED_H */ |