linux-kernel - Re: [PATCH] bus: arm-integrator-lm: Add of_node

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] [day] [month] [year] [list]

Message-ID: <CACRpkdbmRAoBp-r+U5_yQOfGcS7UWrzZWb+0XXFHb4bD=OJA6A@mail.gmail.com>
Date:   Sat, 12 Sep 2020 12:10:25 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Sumera Priyadarsini <sylphrenadin@...il.com>
Cc:     Julia Lawall <Julia.Lawall@...6.fr>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] bus: arm-integrator-lm: Add of_node_put() before return statement

On Sat, Aug 29, 2020 at 7:42 PM Sumera Priyadarsini
<sylphrenadin@...il.com> wrote:

> Every iteration of for_each_available_child_of_node() decrements
> the reference count of the previous node, however when control is
> transferred from the middle of the loop, as in the case of a return
> or break or goto, there is no decrement thus ultimately resulting in
> a memory leak.
>
> Fix a potential memory leak in arm-integrator-lm.c by inserting
> of_node_put() before a return statement.
>
> Issue found with Coccinelle.
>
> Signed-off-by: Sumera Priyadarsini <sylphrenadin@...il.com>

Patch applied.

Yours,
Linus Walleij