linux-kernel - Re: drm/nouveau/clk/gm20b: Fix memory leak in gm20b_clk

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: <5a073b2b-5102-adec-84dd-b62dc48c7451@web.de>
Date:   Sun, 31 May 2020 11:00:17 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Dinghao Liu <dinghao.liu@....edu.cn>,
        dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>, Kangjie Lu <kjlu@....edu>
Subject: Re: drm/nouveau/clk/gm20b: Fix memory leak in gm20b_clk_new()

> I just found that clk is referenced by pclk in this function. When clk is freed,
> pclk will be allocated in gm20b_clk_new_speedo0(). Thus we should not release clk
> in this function and there is no bug here.

Can there be a need to release a clock object after a failed gk20a_clk_ctor() call?

Regards,
Markus