This is a note to let you know that I've just added the patch titled
media: mdp3: Fix resource leaks in of_find_device_by_node
to the 6.5-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-mdp3-fix-resource-leaks-in-of_find_device_by_n.patch
and it can be found in the queue-6.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 5e45499931eac3712b3c4462cc73ff7ee418fbca
Author: Lu Hongfei <luhongfei@xxxxxxxx>
Date: Tue May 30 18:17:18 2023 +0800
media: mdp3: Fix resource leaks in of_find_device_by_node
[ 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>
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
index a605e80c7dc36..b0ca2b3a8a739 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;
}
