On Thursday 11 April 2013 20:11:13 Ming Lei wrote: > On Thu, Apr 11, 2013 at 7:14 PM, Oliver Neukum <oliver@xxxxxxxxxx> wrote: > > > > Sorry, I misunderstood. > > No problem, :-) > > > > > Task A Task B queue > > > > queue work > > request a reset > > allocate memory and block > > cancel the work > > shit happened > > If I understand the case correctly, the above deadlock can be avoided > by canceling rx/tx URBs at the end of pre_reset() or usbnet_disconnect(), No. cancel_work_sync() must wait for the work. The work will not finish. 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
