Re: [PATCH v2] iio: proximity: as3935: fix use-after-free on device remove

From: Tomasz Duszynski
Date: Sat Mar 09 2019 - 05:25:22 EST


On Fri, Mar 08, 2019 at 05:46:24PM -0500, Sven Van Asbroeck wrote:
> On Fri, Mar 8, 2019 at 5:33 PM Tomasz Duszynski <tduszyns@xxxxxxxxx> wrote:
> >
> >
> > So perhaps that change deserves a separate patch because it smells like
> > a code cleanup.
>
> Not really. This patch fixes the order in which resources are torn
> down on release().

What I meant is that delayed work initialization could stay where it was.
The reason you moved it is readability improvement so to me it is more
of a cleanup hence I suggested a separate patch. Up to you.

> You do this by fixing the order by which devm-resources are allocated
> on probe().
>
> So it's a fundamental use-after-free fix, and not really a cleanup.
> But I'm happy to split into multiple patches if you want ?