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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAHp75VcLR2w9Ym0YOqUT9G8xT9qWrdD1-wP4UA-1wtuwCNxqSA@mail.gmail.com>
Date:   Sun, 14 Jun 2020 12:48:06 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Navid Emamdoost <navid.emamdoost@...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>, 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 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.

...

> +               pm_runtime_put(gpu->dev);

-- 
With Best Regards,
Andy Shevchenko