[PATCH] media: Fix resource leaks in of_find_device_by_node

From: Lu Hongfei
Date: Tue May 30 2023 - 06:17:47 EST


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

Signed-off-by: Lu Hongfei <luhongfei@xxxxxxxx>
---
drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c | 2 ++
1 file changed, 2 insertions(+)
mode change 100644 => 100755 drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c

diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
index 19a4a085f73a..1fe10a21e395
--- 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;
}
--
2.39.0