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

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Date:   Tue, 10 May 2022 17:36:45 +0800
From:   Jiabing Wan <wanjiabing@...o.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
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 2022/5/10 17:28, Viresh Kumar wrote:
> On 10-05-22, 17:23, Jiabing Wan wrote:
>>
>> On 2022/5/10 17:12, Viresh Kumar wrote:
>>> 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.
>> Oh, yes.  I would add the "Reviewed-by:" tag only if someone sends
>> this tag to me.
> Didn't you get this ?
>
> https://lore.kernel.org/linux-mediatek/304e7eefbb57e9c938737b64fbb515201c7944b8.camel@mediatek.com/

Oh, sorry! there might be some problem in my email-server.
I didn't get this email and I also didn't see this email on LKML lore.

So I missed this email.
Sorry for my mistake.

Wan Jiabing