linux-kernel - Re: [PATCH] drm/amd/display: fix memory leak when using debugfs

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Message-ID: <5f29a2e1-4ecb-9f94-1e57-f7d8d3c7afb2@amd.com>
Date:   Tue, 6 Sep 2022 10:52:28 -0400
From:   Rodrigo Siqueira Jordao <Rodrigo.Siqueira@....com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Alex Deuc her <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        Xinhui.Pan@....com
Cc:     linux-kernel@...r.kernel.org, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Wayne Lin <Wayne.Lin@....com>,
        hersen wu <hersenxs.wu@....com>,
        Wenjing Liu <wenjing.liu@....com>,
        Patrik Jakobsson <patrik.r.jakobsson@...il.com>,
        Thelford Williams <tdwilliamsiv@...il.com>,
        Fangzhi Zuo <Jerry.Zuo@....com>,
        Yongzhi Liu <lyz_cs@....edu.cn>,
        Mikita Lipski <mikita.lipski@....com>,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Bhanuprakash Modem <bhanuprakash.modem@...el.com>,
        Sean Paul <seanpaul@...omium.org>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm/amd/display: fix memory leak when using
 debugfs_lookup()



On 2022-09-02 09:10, Greg Kroah-Hartman wrote:
> On Fri, Sep 02, 2022 at 03:01:05PM +0200, Greg Kroah-Hartman wrote:
>> When calling debugfs_lookup() the result must have dput() called on it,
>> otherwise the memory will leak over time.  Fix this up by properly
>> calling dput().
>>
>> Cc: Harry Wentland <harry.wentland@....com>
>> Cc: Leo Li <sunpeng.li@....com>
>> Cc: Rodrigo Siqueira <Rodrigo.Siqueira@....com>
>> Cc: Alex Deucher <alexander.deucher@....com>
>> Cc: "Christian König" <christian.koenig@....com>
>> Cc: "Pan, Xinhui" <Xinhui.Pan@....com>
>> Cc: David Airlie <airlied@...ux.ie>
>> Cc: Daniel Vetter <daniel@...ll.ch>
>> Cc: Wayne Lin <Wayne.Lin@....com>
>> Cc: hersen wu <hersenxs.wu@....com>
>> Cc: Wenjing Liu <wenjing.liu@....com>
>> Cc: Patrik Jakobsson <patrik.r.jakobsson@...il.com>
>> Cc: Thelford Williams <tdwilliamsiv@...il.com>
>> Cc: Fangzhi Zuo <Jerry.Zuo@....com>
>> Cc: Yongzhi Liu <lyz_cs@....edu.cn>
>> Cc: Mikita Lipski <mikita.lipski@....com>
>> Cc: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
>> Cc: Bhanuprakash Modem <bhanuprakash.modem@...el.com>
>> Cc: Sean Paul <seanpaul@...omium.org>
>> Cc: amd-gfx@...ts.freedesktop.org
>> Cc: dri-devel@...ts.freedesktop.org
>> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>> ---
> 
> Despite a zillion cc: items, I forgot to cc: stable on this.  Can the
> maintainer add that here, or do you all want me to resend it with that
> item added?
> 
> thanks,
> 
> greg k-h

Hi Greg,

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@....com>

Is 'Cc: stable@...r.kernel.org' enough here? I can make this change 
before I merge it into amd-staging-drm-next.

Thanks
Siqueira