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26 lines
733 B
26 lines
733 B
#ifndef __ASM_GENERIC_UACCESS_UNALIGNED_H |
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#define __ASM_GENERIC_UACCESS_UNALIGNED_H |
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/* |
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* This macro should be used instead of __get_user() when accessing |
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* values at locations that are not known to be aligned. |
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*/ |
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#define __get_user_unaligned(x, ptr) \ |
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({ \ |
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__typeof__ (*(ptr)) __x; \ |
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__copy_from_user(&__x, (ptr), sizeof(*(ptr))) ? -EFAULT : 0; \ |
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(x) = __x; \ |
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}) |
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/* |
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* This macro should be used instead of __put_user() when accessing |
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* values at locations that are not known to be aligned. |
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*/ |
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#define __put_user_unaligned(x, ptr) \ |
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({ \ |
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__typeof__ (*(ptr)) __x = (x); \ |
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__copy_to_user((ptr), &__x, sizeof(*(ptr))) ? -EFAULT : 0; \ |
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}) |
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#endif /* __ASM_GENERIC_UACCESS_UNALIGNED_H */
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