disconnect in ati_remote2

[Oliver Neukum <oliver@xxxxxxxxxx>]

Hi,

this doesn't look quite right. Somebody might use sysfs or usbfs to
disconnect only one interface. In that case you should give up the other
interface, not depending on the first interface being disconnected.

	Regards
		Oliver

static void ati_remote2_disconnect(struct usb_interface *interface)
{
	struct ati_remote2 *ar2;
	struct usb_host_interface *alt = interface->cur_altsetting;

	if (alt->desc.bInterfaceNumber)
		return;

	ar2 = usb_get_intfdata(interface);
	usb_set_intfdata(interface, NULL);

	input_unregister_device(ar2->idev);

	ati_remote2_urb_cleanup(ar2);

	usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);

	kfree(ar2);
}
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