[PATCH] thermal: drop reference of child node on error

[Pan Bian]

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

Signed-off-by: Pan Bian <bianpan2...@163.com>
---
 drivers/thermal/sprd_thermal.c | 4 ++++
 1 file changed, 4 insertions(+)

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;
                }
-- 
2.17.1