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drm/mediatek: mtk_hdmi: Unregister audio platform device on failure
[ Upstream commit 0be123c ] The probe function of this driver may fail after registering the audio platform device: in that case, the state is not getting cleaned up, leaving this device registered. Adding up to the mix, should the probe function of this driver return a probe deferral for N times, we're registering up to N audio platform devices and, again, never freeing them up. To fix this, add a pointer to the audio platform device in the mtk_hdmi structure, and add a devm action to unregister it upon driver removal or probe failure. Fixes: 8f83f26 ("drm/mediatek: Add HDMI support") Reviewed-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20250217154836.108895-18-angelogioacchino.delregno@collabora.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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