linux-kernel - [PATCH 4/7] thermal: of: Simplify thermal_of_for_each_cooling_maps() with scoped for each OF child loop

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Message-Id: <20240814-b4-cleanup-h-of-node-put-thermal-v1-4-7a1381e1627e@linaro.org>
Date: Wed, 14 Aug 2024 22:17:50 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>, 
 Daniel Lezcano <daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>, 
 Lukasz Luba <lukasz.luba@....com>, Amit Kucheria <amitk@...nel.org>, 
 Thara Gopinath <thara.gopinath@...il.com>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>, 
 Vasily Khoruzhick <anarsoul@...il.com>, Yangtao Li <tiny.windzz@...il.com>, 
 Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, linux-tegra@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 4/7] thermal: of: Simplify
 thermal_of_for_each_cooling_maps() 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: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/thermal/thermal_of.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index fb5472d6ffea..d277165746d5 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -375,7 +375,7 @@ static int thermal_of_for_each_cooling_maps(struct thermal_zone_device *tz,
 					    int (*action)(struct device_node *, int, int,
 							  struct thermal_zone_device *, struct thermal_cooling_device *))
 {
-	struct device_node *tz_np, *cm_np, *child;
+	struct device_node *tz_np, *cm_np;
 	int ret = 0;

 	tz_np = thermal_of_zone_get_by_name(tz);
@@ -388,12 +388,10 @@ static int thermal_of_for_each_cooling_maps(struct thermal_zone_device *tz,
 	if (!cm_np)
 		goto out;

-	for_each_child_of_node(cm_np, child) {
+	for_each_child_of_node_scoped(cm_np, child) {
 		ret = thermal_of_for_each_cooling_device(tz_np, child, tz, cdev, action);
-		if (ret) {
-			of_node_put(child);
+		if (ret)
 			break;
-		}
 	}

 	of_node_put(cm_np);

-- 
2.43.0