linux-kernel - Re: [PATCH v2] gpio: rcar: handle 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]

Date:   Mon, 22 Jun 2020 21:00:17 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     Navid Emamdoost <navid.emamdoost@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Navid Emamdoost <emamd001@....edu>,
        Qiushi Wu <wu000273@....edu>, Kangjie Lu <kjlu@....edu>,
        mccamant@...umn.edu
Subject: Re: [PATCH v2] gpio: rcar: handle pm_runtime_get_sync failure case

Hi Bartosz,

On Mon, Jun 22, 2020 at 6:54 PM Bartosz Golaszewski
<bgolaszewski@...libre.com> wrote:
> śr., 17 cze 2020 o 09:43 Geert Uytterhoeven <geert@...ux-m68k.org> napisał(a):
> > On Wed, Jun 17, 2020 at 9:40 AM Navid Emamdoost
> > <navid.emamdoost@...il.com> wrote:
> > > Calling pm_runtime_get_sync increments the counter even in case of
> > > failure, causing incorrect ref count. Call pm_runtime_put if
> > > pm_runtime_get_sync fails.
> > >
> > > Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
> >
> > Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
>
> Is this stable material?

No, it cannot happen anyway.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds