645 			 char __user *buffer,  in keyctl_describe_key()  argument
692 	if (buffer && buflen >= ret) {  in keyctl_describe_key()
693 		if (copy_to_user(buffer, infobuf, infolen) != 0 ||  in keyctl_describe_key()
694 		    copy_to_user(buffer + infolen, key->description,  in keyctl_describe_key()
803 static long __keyctl_read_key(struct key *key, char *buffer, size_t buflen)  in __keyctl_read_key()  argument
810 		ret = key->type->read(key, buffer, buflen);  in __keyctl_read_key()
825 long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen)  in keyctl_read_key()  argument
869 	if (!buffer || !buflen) {  in keyctl_read_key()
922 		if (copy_to_user(buffer, key_data, ret))  in keyctl_read_key()
1562 			 char __user *buffer,  in keyctl_get_security()  argument
1594 		if (buffer && buflen > 0 &&  in keyctl_get_security()
1595 		    copy_to_user(buffer, "", 1) != 0)  in keyctl_get_security()
1599 		if (buffer && buflen > 0) {  in keyctl_get_security()
1603 			if (copy_to_user(buffer, context, buflen) != 0)  in keyctl_get_security()