android_kernel_samsung_a7y1.../include/asm-generic/uaccess-unaligned.h
prashantpaddune 3bca37f224 A750FXXU4CTBC
2020-03-27 21:51:54 +05:30

27 lines
733 B
C

#ifndef __ASM_GENERIC_UACCESS_UNALIGNED_H
#define __ASM_GENERIC_UACCESS_UNALIGNED_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_UNALIGNED_H */