iommu/qcom: Simplify with scoped for each OF child loop

Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Will Deacon <will@kernel.org>

Author: krzk

drivers/iommu/arm/arm-smmu/qcom_iommu.c

@@ -761,14 +761,10 @@ static struct platform_driver qcom_iommu_ctx_driver = {
 
 static bool qcom_iommu_has_secure_context(struct qcom_iommu_dev *qcom_iommu)
 {
-	struct device_node *child;
-
-	for_each_child_of_node(qcom_iommu->dev->of_node, child) {
+	for_each_child_of_node_scoped(qcom_iommu->dev->of_node, child) {
 		if (of_device_is_compatible(child, "qcom,msm-iommu-v1-sec") ||
-		    of_device_is_compatible(child, "qcom,msm-iommu-v2-sec")) {
-			of_node_put(child);
+		    of_device_is_compatible(child, "qcom,msm-iommu-v2-sec"))
 			return true;
-		}
 	}
 
 	return false;