[PATCH AUTOSEL 6.4 01/25] media: mdp3: Fix resource leaks in of_find_device_by_node

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From: Lu Hongfei <luhongfei@xxxxxxxx>

[ Upstream commit 35ca8ce495366909b4c2e701d1356570dd40c4e2 ]

Use put_device to release the object get through of_find_device_by_node,
avoiding resource leaks.

Signed-off-by: Lu Hongfei <luhongfei@xxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
index 19a4a085f73a1..1fe10a21e395a 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
@@ -892,11 +892,13 @@ static int mdp_get_subsys_id(struct mdp_dev *mdp, struct device *dev,
 	ret = cmdq_dev_get_client_reg(&comp_pdev->dev, &cmdq_reg, index);
 	if (ret != 0) {
 		dev_err(&comp_pdev->dev, "cmdq_dev_get_subsys fail!\n");
+		put_device(&comp_pdev->dev);
 		return -EINVAL;
 	}
 
 	comp->subsys_id = cmdq_reg.subsys;
 	dev_dbg(&comp_pdev->dev, "subsys id=%d\n", cmdq_reg.subsys);
+	put_device(&comp_pdev->dev);
 
 	return 0;
 }
-- 
2.40.1




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