mct_u232: Use flip buffer functions

Signed-off-by: NAlan Cox <alan@redhat.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/usb/serial/mct_u232.c

@@ -563,11 +563,9 @@ static void mct_u232_read_int_callback(struct urb *urb)
 	 * Work-a-round: handle the 'usual' bulk-in pipe here
 	 */
 	if (urb->transfer_buffer_length > 2) {
-		int i;
 		tty = port->port.tty;
 		if (urb->actual_length) {
-			for (i = 0; i < urb->actual_length ; ++i)
-				tty_insert_flip_char(tty, data[i], 0);
+			tty_insert_flip_string(tty, data, urb->actual_length);
 			tty_flip_buffer_push(tty);
 		}
 		goto exit;