usb: navman 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/navman.c

@@ -95,7 +95,6 @@ static void navman_close(struct usb_serial_port *port, struct file *filp)
 {
 	dbg("%s - port %d", __FUNCTION__, port->number);
 
-	if (port->interrupt_in_urb)
 	usb_kill_urb(port->interrupt_in_urb);
 }