Add a put_device() call for the release of the object which was determined by a of_find_device_by_node() call in mdp_get_subsys_id(). Add of_node_put() call for the release of the object which was determined by a for_each_child_of_node() call in mdp_comp_config(). Signed-off-by: Lu Hongfei <luhongfei@xxxxxxxx> --- The previous version’s Subject was: [PATCH v2] media: platform: mtk-mdp3: Fix resource leaks in mdp_get_subsys_id() The modifications made compared to the previous version are as follows: 1. Modified the patch subject 2. Fix resource leak issue in mdp_comp_config() drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c index a605e80c7dc3..85c5f89f2ed2 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c @@ -892,13 +892,16 @@ 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"); - return -EINVAL; + ret = -EINVAL; + goto put_device; } comp->subsys_id = cmdq_reg.subsys; dev_dbg(&comp_pdev->dev, "subsys id=%d\n", cmdq_reg.subsys); - return 0; +put_device: + put_device(&comp_pdev->dev); + return ret; } static void __mdp_comp_init(struct mdp_dev *mdp, struct device_node *node, @@ -1135,6 +1138,7 @@ int mdp_comp_config(struct mdp_dev *mdp) comp = mdp_comp_create(mdp, node, id); if (IS_ERR(comp)) { ret = PTR_ERR(comp); + of_node_put(node); goto err_init_comps; } @@ -1144,6 +1148,8 @@ int mdp_comp_config(struct mdp_dev *mdp) pm_runtime_enable(comp->comp_dev); } + of_node_put(node); + ret = mdp_comp_sub_create(mdp); if (ret) goto err_init_comps; -- 2.39.0