regulator: qcom-smd: Simplify with scoped for each OF child loop

Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/qcom_smd-regulator.c

···
 {
 	struct device *dev = &pdev->dev;
 	const struct rpm_regulator_data *vreg_data;
-	struct device_node *node;
 	struct qcom_rpm_reg *vreg;
 	struct qcom_smd_rpm *rpm;
 	int ret;
···
 	if (!vreg_data)
 		return -ENODEV;
 
-	for_each_available_child_of_node(dev->of_node, node) {
+	for_each_available_child_of_node_scoped(dev->of_node, node) {
 		vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
-		if (!vreg) {
-			of_node_put(node);
+		if (!vreg)
 			return -ENOMEM;
-		}
 
 		ret = rpm_regulator_init_vreg(vreg, dev, node, vreg_data);
-		if (ret < 0) {
-			of_node_put(node);
+		if (ret < 0)
 			return ret;
-		}
 	}
 
 	return 0;