44 static inline int copy_from_sockptr_offset(void *dst, sockptr_t src,  in copy_from_sockptr_offset()  argument
47 	if (!sockptr_is_kernel(src))  in copy_from_sockptr_offset()
48 		return copy_from_user(dst, src.user + offset, size);  in copy_from_sockptr_offset()
49 	memcpy(dst, src.kernel + offset, size);  in copy_from_sockptr_offset()
53 static inline int copy_from_sockptr(void *dst, sockptr_t src, size_t size)  in copy_from_sockptr()  argument
55 	return copy_from_sockptr_offset(dst, src, 0, size);  in copy_from_sockptr()
59 		const void *src, size_t size)  in copy_to_sockptr_offset()  argument
62 		return copy_to_user(dst.user + offset, src, size);  in copy_to_sockptr_offset()
63 	memcpy(dst.kernel + offset, src, size);  in copy_to_sockptr_offset()
67 static inline int copy_to_sockptr(sockptr_t dst, const void *src, size_t size)  in copy_to_sockptr()  argument
69 	return copy_to_sockptr_offset(dst, 0, src, size);  in copy_to_sockptr()
72 static inline void *memdup_sockptr(sockptr_t src, size_t len)  in memdup_sockptr()  argument
78 	if (copy_from_sockptr(p, src, len)) {  in memdup_sockptr()
85 static inline void *memdup_sockptr_nul(sockptr_t src, size_t len)  in memdup_sockptr_nul()  argument
91 	if (copy_from_sockptr(p, src, len)) {  in memdup_sockptr_nul()
99 static inline long strncpy_from_sockptr(char *dst, sockptr_t src, size_t count)  in strncpy_from_sockptr()  argument
101 	if (sockptr_is_kernel(src)) {  in strncpy_from_sockptr()
102 		size_t len = min(strnlen(src.kernel, count - 1) + 1, count);  in strncpy_from_sockptr()
104 		memcpy(dst, src.kernel, len);  in strncpy_from_sockptr()
107 	return strncpy_from_user(dst, src.user, count);  in strncpy_from_sockptr()
110 static inline int check_zeroed_sockptr(sockptr_t src, size_t offset,  in check_zeroed_sockptr()  argument
113 	if (!sockptr_is_kernel(src))  in check_zeroed_sockptr()
114 		return check_zeroed_user(src.user + offset, size);  in check_zeroed_sockptr()
115 	return memchr_inv(src.kernel + offset, 0, size) == NULL;  in check_zeroed_sockptr()