linux-kernel - Re: [PATCH] drm/etnaviv: fix ref count leak via pm_runtime_get

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Message-ID: <CAEkB2EQmtRh4HjhykCdKtw8SPaQWgLHgDc7VQ3=H0ssz=m1Y-Q@mail.gmail.com>
Date:   Mon, 15 Jun 2020 01:13:09 -0500
From:   Navid Emamdoost <navid.emamdoost@...il.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Lucas Stach <l.stach@...gutronix.de>,
        Russell King <linux+etnaviv@...linux.org.uk>,
        Christian Gmeiner <christian.gmeiner@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, etnaviv@...ts.freedesktop.org,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Navid Emamdoost <emamd001@....edu>,
        Qiushi Wu <wu000273@....edu>, Kangjie Lu <kjlu@....edu>,
        Stephen McCamant <smccaman@....edu>
Subject: Re: [PATCH] drm/etnaviv: fix ref count leak via pm_runtime_get_sync

On Sun, Jun 14, 2020 at 4:48 AM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
>
> On Sun, Jun 14, 2020 at 9:48 AM Navid Emamdoost
> <navid.emamdoost@...il.com> wrote:
>
> ...
>
> > +               if (ret < 0) {
>
> > +                       pm_runtime_put(gpu->dev);
>
> Please, in all your patches fix this to be _put_noidle(). We wouldn't
> bear the flag day of fixing these parts again.
> Yes, I know that *now* behaviour is the same, but calling put here is
> slightly inconsistent.

v2 is sent.

>
> ...
>
> > +               pm_runtime_put(gpu->dev);
>
> --
> With Best Regards,
> Andy Shevchenko



-- 
Navid.