On Fri, Nov 23, 2012 at 10:39 PM, Oliver Neukum <oneukum@xxxxxxx> wrote:
> Hi,
>
> in usb_unbind_interface() we call usb_cancel_queued_reset() before
> restoring altsetting 0. This seems wrong to me. If a driver found it
> necessary to reset a device we cannot simply ignore that. I'd say
> that we should wait for the work to finish, not cancel it.
> What do you say?
Part of doing so may be related with below:
The lifecycle of the work_struct is tied to the usb_interface.
On the other side, it is still reasonable to cancel the reset because
the interface driver which triggers the reset is to be unbound.
Thanks,
--
Ming Lei
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