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include/asm-generic/uaccess-unaligned.h
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#ifndef __ASM_GENERIC_UACCESS_UNALIGNED_H #define __ASM_GENERIC_UACCESS_UNALIGNED_H |
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/* * 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; \ }) |
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#endif /* __ASM_GENERIC_UACCESS_UNALIGNED_H */ |