[PATCH V3] thermal: imx: Add missing of_node_put()
From: Anson Huang
Date:  Tue Apr 28 2020 - 22:58:28 EST
After finishing using cpu node got from of_get_cpu_node(), of_node_put()
needs to be called, the cpufreq policy also needs to be put unconditionally.
Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
---
Changes since V2:
	- call cpufreq_cpu_put() unconditionally after cooling register done.
---
 drivers/thermal/imx_thermal.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index e761c9b..8764cb5 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -649,7 +649,7 @@ MODULE_DEVICE_TABLE(of, of_imx_thermal_match);
 static int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
 {
 	struct device_node *np;
-	int ret;
+	int ret = 0;
 
 	data->policy = cpufreq_cpu_get(0);
 	if (!data->policy) {
@@ -661,20 +661,19 @@ static int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
 
 	if (!np || !of_find_property(np, "#cooling-cells", NULL)) {
 		data->cdev = cpufreq_cooling_register(data->policy);
-		if (IS_ERR(data->cdev)) {
+		if (IS_ERR(data->cdev))
 			ret = PTR_ERR(data->cdev);
-			cpufreq_cpu_put(data->policy);
-			return ret;
-		}
 	}
 
-	return 0;
+	cpufreq_cpu_put(data->policy);
+	of_node_put(np);
+
+	return ret;
 }
 
 static void imx_thermal_unregister_legacy_cooling(struct imx_thermal_data *data)
 {
 	cpufreq_cooling_unregister(data->cdev);
-	cpufreq_cpu_put(data->policy);
 }
 
 #else
-- 
2.7.4