linux-kernel - Re: [PATCH v2] cpufreq: mediatek: Fix potential deadlock problem in mtk_cpufreq_set

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Message-ID: <20220510091212.olrvvjlx4jtm7zw2@vireshk-i7>
Date:   Tue, 10 May 2022 14:42:12 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Wan Jiabing <wanjiabing@...o.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rex-BC Chen <rex-bc.chen@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Jia-Wei Chang <jia-wei.chang@...iatek.com>,
        "Andrew-sh.Cheng" <andrew-sh.cheng@...iatek.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2] cpufreq: mediatek: Fix potential deadlock problem in
 mtk_cpufreq_set_target

On 10-05-22, 17:05, Wan Jiabing wrote:
> Fix following coccichek error:
> ./drivers/cpufreq/mediatek-cpufreq.c:199:2-8: preceding lock on line
> ./drivers/cpufreq/mediatek-cpufreq.c:208:2-8: preceding lock on line
> 
> mutex_lock is acquired but not released before return.
> Use 'goto out' to help releasing the mutex_lock.
> 
> Fixes: c210063b40ac ("cpufreq: mediatek: Add opp notification support")
> Signed-off-by: Wan Jiabing <wanjiabing@...o.com>

You should have added the review tag you received.

Applied. Thanks.

-- 
viresh