16 #define IS_UNALIGNED(src, dst)	0  argument
18 #define IS_UNALIGNED(src, dst)	\  argument
19 	(((long) dst | (long) src) & (sizeof(long) - 1))
28 static __always_inline long do_strncpy_from_user(char *dst, const char __user *src,  in do_strncpy_from_user()  argument
34 	if (IS_UNALIGNED(src, dst))  in do_strncpy_from_user()
41 		unsafe_get_user(c, (unsigned long __user *)(src+res), byte_at_a_time);  in do_strncpy_from_user()
72 		unsafe_get_user(c,src+res, efault);  in do_strncpy_from_user()
113 long strncpy_from_user(char *dst, const char __user *src, long count)  in strncpy_from_user()  argument
129 		src = masked_user_access_begin(src);  in strncpy_from_user()
130 		retval = do_strncpy_from_user(dst, src, count, count);  in strncpy_from_user()
136 	src_addr = (unsigned long)untagged_addr(src);  in strncpy_from_user()
148 		if (user_read_access_begin(src, max)) {  in strncpy_from_user()
149 			retval = do_strncpy_from_user(dst, src, count, max);  in strncpy_from_user()