linux-kernel - Re: [PATCH 1/3] dmaengine: stm32-mdma: fix PM reference leak in stm32_mdma_alloc_chan

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: <YLRgG+mK1exroXrh@vkoul-mobl.Dlink>
Date:   Mon, 31 May 2021 09:33:39 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Yu Kuai <yukuai3@...wei.com>
Cc:     mcoquelin.stm32@...il.com, alexandre.torgue@...s.st.com,
        michal.simek@...inx.com, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, yi.zhang@...wei.com
Subject: Re: [PATCH 1/3] dmaengine: stm32-mdma: fix PM reference leak in
 stm32_mdma_alloc_chan_resourc()

On 17-05-21, 16:18, Yu Kuai wrote:
> pm_runtime_get_sync will increment pm usage counter even it failed.
> Forgetting to putting operation will result in reference leak here.
> Fix it by replacing it with pm_runtime_resume_and_get to keep usage
> counter balanced.

Applied, thanks

-- 
~Vinod