hwmon: (npcm750-pwm-fan): Simplify with scoped for each OF child loop

Use scoped for_each_child_of_node_scoped() when iterating over device
nodes to make code a bit simpler.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Message-ID: <20240822062956.3490387-7-ruanjinjie@huawei.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/npcm750-pwm-fan.c

@@ -927,7 +927,7 @@ static int npcm7xx_en_pwm_fan(struct device *dev,
 static int npcm7xx_pwm_fan_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *np, *child;
+	struct device_node *np;
 	struct npcm7xx_pwm_fan_data *data;
 	struct resource *res;
 	struct device *hwmon;
@@ -1004,11 +1004,10 @@ static int npcm7xx_pwm_fan_probe(struct platform_device *pdev)
 		}
 	}
 
-	for_each_child_of_node(np, child) {
+	for_each_child_of_node_scoped(np, child) {
 		ret = npcm7xx_en_pwm_fan(dev, child, data);
 		if (ret) {
 			dev_err(dev, "enable pwm and fan failed\n");
-			of_node_put(child);
 			return ret;
 		}
 	}