uaccess-unaligned.h

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#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 */