linux-kernel - Re: [PATCH] drm/tegra: dsi: Add missing check for of_find_device_by

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Message-ID: <ZXs54BYDq5Xjw3rL@orome.fritz.box>
Date:   Thu, 14 Dec 2023 18:22:40 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Chen Ni <nichen@...as.ac.cn>
Cc:     mperttunen@...dia.com, airlied@...il.com, daniel@...ll.ch,
        jonathanh@...dia.com, dri-devel@...ts.freedesktop.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/tegra: dsi: Add missing check for
 of_find_device_by_node

On Tue, Oct 24, 2023 at 08:07:38AM +0000, Chen Ni wrote:
> Add check for the return value of of_find_device_by_node() and return
> the error if it fails in order to avoid NULL pointer dereference.
> 
> Fixes: e94236cde4d5 ("drm/tegra: dsi: Add ganged mode support")
> Signed-off-by: Chen Ni <nichen@...as.ac.cn>
> ---
>  drivers/gpu/drm/tegra/dsi.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Applied, thanks.

Thierry

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