drm/mediatek: ovl_adaptor: Fix probe device leaks

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commit e0f44f74ed upstream.

Make sure to drop the references taken to the component devices by
of_find_device_by_node() during probe on probe failure (e.g. probe
deferral) and on driver unbind.

Fixes: 453c336463 ("drm/mediatek: Add ovl_adaptor support for MT8195")
Cc: stable@vger.kernel.org	# 6.4
Cc: Nancy.Lin <nancy.lin@mediatek.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20250923152340.18234-6-johan@kernel.org/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Johan Hovold 2025-09-23 17:23:40 +02:00 • committed by Greg Kroah-Hartman

parent b3e9222786

commit fa6cd92304

1 changed files with 12 additions and 0 deletions

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drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c

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