FAILED: Patch "media: mtk-mdp: Fix a reference leak bug in mtk_mdp_remove()" failed to apply to 5.10-stable tree
Sasha Levin
sashal at kernel.org
Sat Feb 28 17:59:21 PST 2026
The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable at vger.kernel.org>.
Thanks,
Sasha
------------------ original commit in Linus's tree ------------------
>From f128bab57b8018e526b7eda854ca20069863af47 Mon Sep 17 00:00:00 2001
From: Haoxiang Li <haoxiang_li2024 at 163.com>
Date: Wed, 8 Oct 2025 17:01:56 +0800
Subject: [PATCH] media: mtk-mdp: Fix a reference leak bug in mtk_mdp_remove()
In mtk_mdp_probe(), vpu_get_plat_device() increases the reference
count of the returned platform device. Add platform_device_put()
to prevent reference leak.
Fixes: c8eb2d7e8202 ("[media] media: Add Mediatek MDP Driver")
Cc: stable at vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024 at 163.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco at kernel.org>
---
drivers/media/platform/mediatek/mdp/mtk_mdp_core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c b/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c
index f78fa30f18648..8432833814f31 100644
--- a/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c
+++ b/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c
@@ -254,6 +254,7 @@ static void mtk_mdp_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
vb2_dma_contig_clear_max_seg_size(&pdev->dev);
+ platform_device_put(mdp->vpu_dev);
mtk_mdp_unregister_m2m_device(mdp);
v4l2_device_unregister(&mdp->v4l2_dev);
--
2.51.0
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