USB: ark3116.c: fix check-after-use

The Coverity checker spotted that we'd have already oops'ed if one of
these was NULL.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/serial/ark3116.c

@@ -172,11 +172,6 @@ static void ark3116_set_termios(struct usb_serial_port *port,
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
 
-	if (!port->tty || !port->tty->termios) {
-		dbg("%s - no tty structures", __FUNCTION__);
-		return;
-	}
-
 	spin_lock_irqsave(&priv->lock, flags);
 	if (!priv->termios_initialized) {
 		*(port->tty->termios) = tty_std_termios;