linux-kernel - Re: [PATCH v5.15-v5.10] drm/amd/pm: Fix the null pointer dereference for vega10

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Message-ID: <2024090523-collide-colonize-d914@gregkh>
Date: Thu, 5 Sep 2024 09:40:30 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: sikkamukul <mukul.sikka@...adcom.com>
Cc: stable@...r.kernel.org, evan.quan@....com, alexander.deucher@....com,
	christian.koenig@....com, airlied@...ux.ie, daniel@...ll.ch,
	Jun.Ma2@....com, kevinyang.wang@....com, sashal@...nel.org,
	amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, ajay.kaher@...adcom.com,
	alexey.makhalov@...adcom.com, vasavi.sirnapalli@...adcom.com,
	Bob Zhou <bob.zhou@....com>, Tim Huang <Tim.Huang@....com>
Subject: Re: [PATCH v5.15-v5.10] drm/amd/pm: Fix the null pointer dereference
 for vega10_hwmgr

On Tue, Sep 03, 2024 at 04:58:09AM +0000, sikkamukul wrote:
> From: Bob Zhou <bob.zhou@....com>
> 
> [ Upstream commit 50151b7f1c79a09117837eb95b76c2de76841dab ]
> 
> Check return value and conduct null pointer handling to avoid null pointer dereference.
> 
> Signed-off-by: Bob Zhou <bob.zhou@....com>
> Reviewed-by: Tim Huang <Tim.Huang@....com>
> Signed-off-by: Alex Deucher <alexander.deucher@....com>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> Signed-off-by: Mukul Sikka <mukul.sikka@...adcom.com>
> ---
>  .../drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c | 30 ++++++++++++++++---
>  1 file changed, 26 insertions(+), 4 deletions(-)

Now queued up, thanks.

greg k-h