hwmon: (ina3221): 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: <20240822062956.3490387-4-ruanjinjie@huawei.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/ina3221.c

@@ -813,7 +813,6 @@ static int ina3221_probe_child_from_dt(struct device *dev,
 static int ina3221_probe_from_dt(struct device *dev, struct ina3221_data *ina)
 {
 	const struct device_node *np = dev->of_node;
-	struct device_node *child;
 	int ret;
 
 	/* Compatible with non-DT platforms */
@@ -822,12 +821,10 @@ static int ina3221_probe_from_dt(struct device *dev, struct ina3221_data *ina)
 
 	ina->single_shot = of_property_read_bool(np, "ti,single-shot");
 
-	for_each_child_of_node(np, child) {
+	for_each_child_of_node_scoped(np, child) {
 		ret = ina3221_probe_child_from_dt(dev, child, ina);
-		if (ret) {
-			of_node_put(child);
+		if (ret)
 			return ret;
-		}
 	}
 
 	return 0;