Am Tuesday 20 January 2009 16:25:03 schrieb Alan Stern: > On Tue, 20 Jan 2009, Oliver Neukum wrote: > > > Hi, > > > > I put a check into usb-serial: > > > > usb_kill_urb(port->read_urb); > > usb_kill_urb(port->interrupt_in_urb); > > WARN_ON(port->interrupt_in_urb->hcpriv != NULL); > > > > and it triggered. I'll investigate this, but I have an appointment right now. > > Do we leak private memory or just forget to clear a pointer? > > Hard to say exactly what happened. You could try moving the WARN_ON > into the completion handler. I did that and it turns out that usb_kill_urb() is broken. It no longer prevents a completion handler from resubmitting itself. Did we not recently merged a patch that touched usb_unlink_urb()? Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
