drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
Fix the following coccicheck warning:
drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:892:1-23: WARNING:
Function "for_each_child_of_node" should have of_node_put() before
return around line 914.
drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:892:1-23: WARNING:
Function "for_each_child_of_node" should have of_node_put() before
return around line 920.
drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:951:1-23: WARNING:
Function "for_each_child_of_node" should have of_node_put() before
return around line 993.
Signed-off-by: KaiLong Wang <wangkailong@jari.cn>
---
drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
index d3eaf8884412..4162fc732f38 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
@@ -908,6 +908,7 @@ static int mdp_comp_sub_create(struct mdp_dev *mdp)
alias_id = mdp_comp_alias_id[type];
id = mdp_comp_get_id(type, alias_id);
if (id < 0) {
+ of_node_put(node);
dev_err(dev,
"Fail to get sub comp. id: type %d alias %d\n",
type, alias_id);
@@ -916,8 +917,10 @@ static int mdp_comp_sub_create(struct mdp_dev *mdp)
mdp_comp_alias_id[type]++;
comp = mdp_comp_create(mdp, node, id);
- if (IS_ERR(comp))
+ if (IS_ERR(comp)) {
+ of_node_put(node);
return PTR_ERR(comp);
+ }
}
return 0;
@@ -988,6 +991,7 @@ int mdp_comp_config(struct mdp_dev *mdp)
pdev = of_find_device_by_node(node);
if (!pdev) {
+ of_node_put(node);
dev_warn(dev, "can't find platform device of node:%s\n",
node->name);
return -ENODEV;
--
2.25.1
On 11/13/22 12:05, wangkailong@jari.cn wrote: > Fix the following coccicheck warning: > > drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:892:1-23: WARNING: > Function "for_each_child_of_node" should have of_node_put() before > return around line 914. > drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:892:1-23: WARNING: > Function "for_each_child_of_node" should have of_node_put() before > return around line 920. > drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:951:1-23: WARNING: > Function "for_each_child_of_node" should have of_node_put() before > return around line 993. > > Signed-off-by: KaiLong Wang <wangkailong@jari.cn> > --- > drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c > index d3eaf8884412..4162fc732f38 100644 > --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c > +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c > @@ -908,6 +908,7 @@ static int mdp_comp_sub_create(struct mdp_dev *mdp) > alias_id = mdp_comp_alias_id[type]; > id = mdp_comp_get_id(type, alias_id); > if (id < 0) { > + of_node_put(node); > dev_err(dev, > "Fail to get sub comp. id: type %d alias %d\n", > type, alias_id); > @@ -916,8 +917,10 @@ static int mdp_comp_sub_create(struct mdp_dev *mdp) > mdp_comp_alias_id[type]++; > > comp = mdp_comp_create(mdp, node, id); > - if (IS_ERR(comp)) > + if (IS_ERR(comp)) { > + of_node_put(node); > return PTR_ERR(comp); > + } > } > > return 0; > @@ -988,6 +991,7 @@ int mdp_comp_config(struct mdp_dev *mdp) > > pdev = of_find_device_by_node(node); > if (!pdev) { > + of_node_put(node); > dev_warn(dev, "can't find platform device of node:%s\n", > node->name); > return -ENODEV; There is a 'goto err_init_comps;' in this function as well that needs an of_node_put(node); line. Can you make a v2? Regards, Hans
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