usb: io_edgeport kill urb cleanup

- usb_kill_urb() cleanup
Signed-off-by: NMariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/serial/io_edgeport.c

@@ -1038,9 +1038,7 @@ static void edge_close (struct usb_serial_port *port, struct file * filp)
 	edge_port->open = FALSE;
 	edge_port->openPending = FALSE;
 
-	if (edge_port->write_urb) {
-		usb_kill_urb(edge_port->write_urb);
-	}
+	usb_kill_urb(edge_port->write_urb);
 
 	if (edge_port->write_urb) {
 		/* if this urb had a transfer buffer already (old transfer) free it */