linux-kernel - [PATCH] slimbus: qcom-ngd: Simplify with scoped for each OF child loop

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Message-ID: <20260102124808.64219-2-krzysztof.kozlowski@oss.qualcomm.com>
Date: Fri,  2 Jan 2026 13:48:09 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
To: Srinivas Kandagatla <srini@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: [PATCH] slimbus: qcom-ngd: 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@....qualcomm.com>
---
 drivers/slimbus/qcom-ngd-ctrl.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index ba3d80d12605..7338b38697d0 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -1514,26 +1514,22 @@ static int of_qcom_slim_ngd_register(struct device *parent,
 	const struct ngd_reg_offset_data *data;
 	struct qcom_slim_ngd *ngd;
 	const struct of_device_id *match;
-	struct device_node *node;
 	u32 id;
 	int ret;
 
 	match = of_match_node(qcom_slim_ngd_dt_match, parent->of_node);
 	data = match->data;
-	for_each_available_child_of_node(parent->of_node, node) {
+	for_each_available_child_of_node_scoped(parent->of_node, node) {
 		if (of_property_read_u32(node, "reg", &id))
 			continue;
 
 		ngd = kzalloc(sizeof(*ngd), GFP_KERNEL);
-		if (!ngd) {
-			of_node_put(node);
+		if (!ngd)
 			return -ENOMEM;
-		}
 
 		ngd->pdev = platform_device_alloc(QCOM_SLIM_NGD_DRV_NAME, id);
 		if (!ngd->pdev) {
 			kfree(ngd);
-			of_node_put(node);
 			return -ENOMEM;
 		}
 		ngd->id = id;
@@ -1546,7 +1542,6 @@ static int of_qcom_slim_ngd_register(struct device *parent,
 		if (ret) {
 			platform_device_put(ngd->pdev);
 			kfree(ngd);
-			of_node_put(node);
 			return ret;
 		}
 		ngd->pdev->dev.of_node = node;
@@ -1556,7 +1551,6 @@ static int of_qcom_slim_ngd_register(struct device *parent,
 		if (ret) {
 			platform_device_put(ngd->pdev);
 			kfree(ngd);
-			of_node_put(node);
 			return ret;
 		}
 		ngd->base = ctrl->base + ngd->id * data->offset +
-- 
2.51.0