thermal: drop reference of child node on error

Commit Message

Pan Bian Jan. 20, 2021, 3:02 p.m. UTC

Drop the reference of the child node sen_child before goto out of
the loop.

Signed-off-by: Pan Bian <[e-mail]>
---
 drivers/thermal/sprd_thermal.c | 4 ++++
 1 file changed, 4 insertions(+)

Patch

diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index 3682edb2f466..e843f10167b8 100644
--- a/drivers/thermal/sprd_thermal.c
+++ b/drivers/thermal/sprd_thermal.c
@@ -387,6 +387,7 @@  static int sprd_thm_probe(struct platform_device *pdev)
 	for_each_child_of_node(np, sen_child) {
 		sen = devm_kzalloc(&pdev->dev, sizeof(*sen), GFP_KERNEL);
 		if (!sen) {
+			of_node_put(sen_child);
 			ret = -ENOMEM;
 			goto disable_clk;
 		}
@@ -397,12 +398,14 @@  static int sprd_thm_probe(struct platform_device *pdev)
 		ret = of_property_read_u32(sen_child, "reg", &sen->id);
 		if (ret) {
 			dev_err(&pdev->dev, "get sensor reg failed");
+			of_node_put(sen_child);
 			goto disable_clk;
 		}
 
 		ret = sprd_thm_sensor_calibration(sen_child, thm, sen);
 		if (ret) {
 			dev_err(&pdev->dev, "efuse cal analysis failed");
+			of_node_put(sen_child);
 			goto disable_clk;
 		}
 
@@ -415,6 +418,7 @@  static int sprd_thm_probe(struct platform_device *pdev)
 		if (IS_ERR(sen->tzd)) {
 			dev_err(&pdev->dev, "register thermal zone failed %d\n",
 				sen->id);
+			of_node_put(sen_child);
 			ret = PTR_ERR(sen->tzd);
 			goto disable_clk;
 		}