drm/mediatek/dp: Fix spurious kfree()

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drm_edid_to_sad() might return an error or just zero. If that is the
case, we must not free the SADs because there was no allocation in
the first place.

Fixes: dab12fa8d2 ("drm/mediatek/dp: fix memory leak on ->get_edid callback audio detection")
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20240604083337.1879188-1-mwalle@kernel.org/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

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Michael Walle 2024-06-04 10:33:37 +02:00 • committed by Chun-Kuang Hu

parent 9ff6df49e6

commit 8ad49a92cf

1 changed files with 8 additions and 2 deletions

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drivers/gpu/drm/mediatek/mtk_dp.c

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