regulator: qcom-rpmh: 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 <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240814-cleanup-h-of-node-put-regulator-v1-5-87151088b883@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/qcom-rpmh-regulator.c

@@ -1537,7 +1537,6 @@ static int rpmh_regulator_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	const struct rpmh_vreg_init_data *vreg_data;
-	struct device_node *node;
 	struct rpmh_vreg *vreg;
 	const char *pmic_id;
 	int ret;
@@ -1552,19 +1551,15 @@ static int rpmh_regulator_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	for_each_available_child_of_node(dev->of_node, node) {
+	for_each_available_child_of_node_scoped(dev->of_node, node) {
 		vreg = devm_kzalloc(dev, sizeof(*vreg), GFP_KERNEL);
-		if (!vreg) {
-			of_node_put(node);
+		if (!vreg)
 			return -ENOMEM;
-		}
 
 		ret = rpmh_regulator_init_vreg(vreg, dev, node, pmic_id,
 						vreg_data);
-		if (ret < 0) {
-			of_node_put(node);
+		if (ret < 0)
 			return ret;
-		}
 	}
 
 	return 0;