Tejun Heo <tj@xxxxxxxxxx> writes:
> Hello,
>
> On Sat, Sep 03, 2022 at 07:11:18PM -0700, Luiz Augusto von Dentz wrote:
>> And we can check for __WQ_DRAINING? Anyway checking
>
> Please don't do that. That's an internal flag. It shouldn't be *that*
> difficult to avoid this without peeking into wq internal state.
>
> Thanks.
It seems we only need to change hdev->{cmd,ncmd}_timer to
hdev->workqueue, there will be no race because drain_workqueue will
flush all pending work internally.
Any new timeout work will see HCI_CMD_DRAIN_WORKQUEUE flags after we
cancel and flushed all the delayed work.
--
BRs
Schspa Shi
