[PATCH] drm/tegra: dsi: Add missing check for of_find_device_by_node

[Thierry Reding]

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 at iscas.ac.cn>
> ---
>  drivers/gpu/drm/tegra/dsi.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Applied, thanks.

Thierry
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