133 static int copy_chunk_from_user(unsigned long from, int len, void *arg)  in copy_chunk_from_user()  argument
137 	memcpy((void *) to, (void *) from, len);  in copy_chunk_from_user()
142 int copy_from_user(void *to, const void __user *from, int n)  in copy_from_user()  argument
145 		memcpy(to, (__force void*)from, n);  in copy_from_user()
149 	return access_ok(VERIFY_READ, from, n) ?  in copy_from_user()
150 	       buffer_op((unsigned long) from, n, 0, copy_chunk_from_user, &to):  in copy_from_user()
157 	unsigned long *from_ptr = arg, from = *from_ptr;  in copy_chunk_to_user()  local
159 	memcpy((void *) to, (void *) from, len);  in copy_chunk_to_user()
164 int copy_to_user(void __user *to, const void *from, int n)  in copy_to_user()  argument
167 		memcpy((__force void *) to, from, n);  in copy_to_user()
172 	       buffer_op((unsigned long) to, n, 1, copy_chunk_to_user, &from) :  in copy_to_user()
177 static int strncpy_chunk_from_user(unsigned long from, int len, void *arg)  in strncpy_chunk_from_user()  argument
182 	strncpy(to, (void *) from, len);  in strncpy_chunk_from_user()