Am Montag, 23. Januar 2012, 02:22:07 schrieb ondra.havel@gmail.com:

+static void hanvon_disconnect(struct usb_interface *intf)
+{
+       struct hanvon *hanvon = usb_get_intfdata(intf);
+
+       usb_set_intfdata(intf, NULL);
+       usb_kill_urb(hanvon->irq);

What happens if there's a call to open() here?

+       input_unregister_device(hanvon->dev);
+       usb_free_urb(hanvon->irq);
+       usb_free_coherent(interface_to_usbdev(intf), USB_AM_PACKET_LEN, hanvon->data, hanvon->data_dma);
+       kfree(hanvon);
+}
+

	Regards
		Oliver