Revision 7dbc3f6ead13cb87d2318443ebd8f19a987149aa authored by Mike Frysinger on 05 March 2009, 16:20:49 UTC, committed by Bryan Wu on 05 March 2009, 16:20:49 UTC
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
1 parent fb7b75a
uaccess.h
#ifndef _ASM_GENERIC_UACCESS_H_
#define _ASM_GENERIC_UACCESS_H_
/*
* This macro should be used instead of __get_user() when accessing
* values at locations that are not known to be aligned.
*/
#define __get_user_unaligned(x, ptr) \
({ \
__typeof__ (*(ptr)) __x; \
__copy_from_user(&__x, (ptr), sizeof(*(ptr))) ? -EFAULT : 0; \
(x) = __x; \
})
/*
* This macro should be used instead of __put_user() when accessing
* values at locations that are not known to be aligned.
*/
#define __put_user_unaligned(x, ptr) \
({ \
__typeof__ (*(ptr)) __x = (x); \
__copy_to_user((ptr), &__x, sizeof(*(ptr))) ? -EFAULT : 0; \
})
#endif /* _ASM_GENERIC_UACCESS_H */
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