Re: [PATCH] Bluetooth: hci_qca: Use del_timer_sync() before freeing

[Guenter Roeck]

On 4/6/22 08:46, Steven Rostedt wrote:
> On Wed, 6 Apr 2022 08:39:07 -0700
> Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>
> > > ie move this destroy_workqueue() up ?
> > >    
> >
> > What prevents the timer code from queueing work into the destroyed
> > workqueue ?
>
> So we have a chicken verses egg issue here?

Almost looks like it, unless I am missing something. Maybe some flag
is needed to prevent the timer handling code from queuing into the
destroyed workqueue, or the workqueue handler from updating the timer.

Guenter