/* The current device is removed, the USB layer tell us to shut it down...  */
static void stir_disconnect(struct usb_interface *intf)
/* The current device is removed, the USB layer tell us to shut it down...  */
static void stir_disconnect(struct usb_interface *intf)
{
	struct stir_cb *stir = usb_get_intfdata(intf);
	if (!stir)
		return;
	unregister_netdev(stir->netdev);
	free_netdev(stir->netdev);
	usb_set_intfdata(intf, NULL);
}