USB: digi_acceleport: remove bogus disconnect test in close

Remove bogus (and unnecessary) test for serial->dev being NULL in close.

The device is never cleared, and close is never called after a completed
disconnect anyway.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/serial/digi_acceleport.c

@@ -1149,7 +1149,6 @@ static void digi_close(struct usb_serial_port *port)
 	if (port->serial->disconnected)
 		goto exit;
 
-	if (port->serial->dev) {
 	/* FIXME: Transmit idle belongs in the wait_unti_sent path */
 	digi_transmit_idle(port, DIGI_CLOSE_TIMEOUT);
 
@@ -1185,8 +1184,8 @@ static void digi_close(struct usb_serial_port *port)
 
 	ret = digi_write_oob_command(port, buf, 20, 0);
 	if (ret != 0)
-			dev_dbg(&port->dev, "digi_close: write oob failed, ret=%d\n", ret);
-
+		dev_dbg(&port->dev, "digi_close: write oob failed, ret=%d\n",
+									ret);
 	/* wait for final commands on oob port to complete */
 	prepare_to_wait(&priv->dp_flush_wait, &wait,
 			TASK_INTERRUPTIBLE);
@@ -1195,7 +1194,6 @@ static void digi_close(struct usb_serial_port *port)
 
 	/* shutdown any outstanding bulk writes */
 	usb_kill_urb(port->write_urb);
-	}
 exit:
 	spin_lock_irq(&priv->dp_port_lock);
 	priv->dp_write_urb_in_use = 0;