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Re: [PATCH] mwifiex: cancel pcie/sdio work in remove/shutdown handler

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Brian Norris <briannorris@xxxxxxxxxxxx> writes:

> On Thu, Jan 11, 2018 at 06:25:09PM -0800, Brian Norris wrote:
>> Anyway, I'll do my own testing and then submit my patch properly.
>
> OK, so I definitely confirmed: if your patch does anything, it
> introduces a new deadlock possibility. Just trigger a Wifi timeout or
> reset from within remove(), and you'll see the work event get stuck in
> pci_reset_function(), while remove() gets stuck at cancel_work_sync().
>
> I also confirmed that my patch resolves this problem.
>
> I'll send the revert + my patch now.

Great, thanks. I didn't had a chance to do the revert yet but I'll now
apply your revert instead.

-- 
Kalle Valo



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