[PATCH] drm/amd/display: fix memory leak when using debugfs_lookup()

[Rodrigo Siqueira Jordao]

On 2022-09-06 11:06, Greg Kroah-Hartman wrote:
> On Tue, Sep 06, 2022 at 10:52:28AM -0400, Rodrigo Siqueira Jordao wrote:
>>
>>
>> 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 at amd.com>
>>>> Cc: Leo Li <sunpeng.li at amd.com>
>>>> Cc: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
>>>> Cc: Alex Deucher <alexander.deucher at amd.com>
>>>> Cc: "Christian König" <christian.koenig at amd.com>
>>>> Cc: "Pan, Xinhui" <Xinhui.Pan at amd.com>
>>>> Cc: David Airlie <airlied at linux.ie>
>>>> Cc: Daniel Vetter <daniel at ffwll.ch>
>>>> Cc: Wayne Lin <Wayne.Lin at amd.com>
>>>> Cc: hersen wu <hersenxs.wu at amd.com>
>>>> Cc: Wenjing Liu <wenjing.liu at amd.com>
>>>> Cc: Patrik Jakobsson <patrik.r.jakobsson at gmail.com>
>>>> Cc: Thelford Williams <tdwilliamsiv at gmail.com>
>>>> Cc: Fangzhi Zuo <Jerry.Zuo at amd.com>
>>>> Cc: Yongzhi Liu <lyz_cs at pku.edu.cn>
>>>> Cc: Mikita Lipski <mikita.lipski at amd.com>
>>>> Cc: Jiapeng Chong <jiapeng.chong at linux.alibaba.com>
>>>> Cc: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
>>>> Cc: Sean Paul <seanpaul at chromium.org>
>>>> Cc: amd-gfx at lists.freedesktop.org
>>>> Cc: dri-devel at lists.freedesktop.org
>>>> Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.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 at amd.com>
>>
>> Is 'Cc: stable at vger.kernel.org' enough here? I can make this change before I
>> merge it into amd-staging-drm-next.
> 
> Yes, please add the cc: stable@ line to the body of the patch, sorry I
> forgot that.
> 

Change applied to amd-staging-drm-next, with the Cc to the stable branch.

Thanks
Siqueira

> thanks,
> 
> greg k-h