linux-kernel - Re: [PATCH v2] pinctrl: rockchip: fix leaked of

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: <CACRpkdYghGih+oxXwNDMLVZBAd36xJWoJR76JDycycczRPuGHQ@mail.gmail.com>
Date:   Thu, 16 May 2019 13:20:39 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Wen Yang <wen.yang99@....com.cn>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        wang.yi59@....com.cn, Heiko Stuebner <heiko@...ech.de>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH v2] pinctrl: rockchip: fix leaked of_node references

On Mon, Apr 15, 2019 at 8:23 AM Wen Yang <wen.yang99@....com.cn> wrote:

> The call to of_parse_phandle returns a node pointer with refcount
> incremented thus it must be explicitly decremented after the last
> usage.
>
> Detected by coccinelle with the following warnings:
> ./drivers/pinctrl/pinctrl-rockchip.c:3221:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 3196, but without a corresponding object release within this function.
> ./drivers/pinctrl/pinctrl-rockchip.c:3223:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 3196, but without a corresponding object release within this function.
>
> Signed-off-by: Wen Yang <wen.yang99@....com.cn>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Heiko Stuebner <heiko@...ech.de>
> Cc: linux-gpio@...r.kernel.org
> Cc: linux-rockchip@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org

Patch applied.

Yours,
Linus Walleij