[PATCH] drm/komeda: check for error-valued pointer

[Maxime Ripard]

On Mon, Jun 10, 2024 at 11:20:56AM GMT, Amjad Ouled-Ameur wrote:
> komeda_pipeline_get_state() may return an error-valued pointer, thus
> check the pointer for negative or null value before dereferencing.
> 
> Signed-off-by: Amjad Ouled-Ameur <amjad.ouled-ameur at arm.com>

I've added a Fixes tag and applied to drm-misc-fixes, thanks!
Maxime
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