From: kernel test robot <lkp@xxxxxxxxx>
drivers/regulator/qcom_smd-regulator.c:1318:1-33: WARNING: Function "for_each_available_child_of_node" should have of_node_put() before return around line 1321.
Semantic patch information:
False positives can be due to function calls within the for_each
loop that may encapsulate an of_node_put.
Generated by: scripts/coccinelle/iterators/for_each_child.cocci
Fixes: 14e2976fbabd ("regulator: qcom_smd: Align probe function with rpmh-regulator")
CC: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>
---
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 112450df61b7373529b0fe4c122ad13b89d80a8a
commit: 14e2976fbabdacb01335d7f91eeebbc89c67ddb1 regulator: qcom_smd: Align probe function with rpmh-regulator
:::::: branch date: 13 hours ago
:::::: commit date: 9 days ago
qcom_smd-regulator.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/regulator/qcom_smd-regulator.c
+++ b/drivers/regulator/qcom_smd-regulator.c
@@ -1317,8 +1317,10 @@ static int rpm_reg_probe(struct platform
for_each_available_child_of_node(dev->of_node, node) {
vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
- if (!vreg)
+ if (!vreg) {
+ of_node_put(node);
return -ENOMEM;
+ }
ret = rpm_regulator_init_vreg(vreg, dev, node, rpm, vreg_data);
