Am Freitag, 26. Mai 2006 11:15 schrieb Michael Hanselmann:
> +static void appledisplay_disconnect(struct usb_interface *iface)
> +{
> + struct appledisplay *pdata = usb_get_intfdata(iface);
> +
> + if (pdata) {
> + cancel_delayed_work(&pdata->work);
> + usb_kill_urb(pdata->urb);
> + backlight_device_unregister(pdata->bd);
This is a race condition. As the URB's completion handler can queue new
work, you must kill the URB before you cancel work.
Regards
Oliver
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