Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
[linux-2.6/mini2440.git] / include / asm-generic / uaccess.h
blob549cb3a1640a5c7d3afba681d68a58cfbcc8664c
1 #ifndef _ASM_GENERIC_UACCESS_H_
2 #define _ASM_GENERIC_UACCESS_H_
4 /*
5 * This macro should be used instead of __get_user() when accessing
6 * values at locations that are not known to be aligned.
7 */
8 #define __get_user_unaligned(x, ptr) \
9 ({ \
10 __typeof__ (*(ptr)) __x; \
11 __copy_from_user(&__x, (ptr), sizeof(*(ptr))) ? -EFAULT : 0; \
12 (x) = __x; \
17 * This macro should be used instead of __put_user() when accessing
18 * values at locations that are not known to be aligned.
20 #define __put_user_unaligned(x, ptr) \
21 ({ \
22 __typeof__ (*(ptr)) __x = (x); \
23 __copy_to_user((ptr), &__x, sizeof(*(ptr))) ? -EFAULT : 0; \
26 #endif /* _ASM_GENERIC_UACCESS_H */