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Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Amit Kucheria , Thara Gopinath , Thierry Reding , Jonathan Hunter , Vasily Khoruzhick , Yangtao Li , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, Krzysztof Kozlowski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1610; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=Jfl9CCDjoTMAykhligO10CdduRTjKmS0DGo6xlPScyg=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmvRDww327vaCGWSmCQ5rATkIm5TMFxxObspRAg BwE3OcKQ1+JAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZr0Q8AAKCRDBN2bmhouD 10wNEACYQM02wcgcm6jW32tliH/1WiMeu85GF915kaNTEIw+b5lwNX8CD1OIwKt11RUVLIrxq2r fjTc4r7xwznphVHVZG0DtaMp4+nIxLeo7/odUs8f7rapwhtz+8PHbyAq5mEk6VTLjkq/5MQIChG 9CVFWkmuMj+cZL9nTtPPVITIUmuQDnslBlS27/vm5Jb2azkaZcg5dmgMj3QxGM9JyOfSuLhtqaX uF1wJBOafwHjG46OU/QvVVNGc7uZlBVpjRSI9L/ZZePiTcx7GhtK/GUm4w4WQpybcaJjQlmyghZ w91qS+XkrupTPhyZxQ2p0QBv0WBHH3eoeyP/LJO6AN0sRb87Lfifq7GyyVO1FA0+jOh+iYuRMiH sFid4KKB9Ahclv+XJHdCuXsUAULeU2SK3jtEiAx9fCrzqwNp7qyhGV0QqLAFQancLX1ZEdj31lt yxYCp4ee6/kKpcB3RHmdWZQUZ6X01FVavPeZIrIdyQrMQO+bv0a6zO3VAvD7pt6PqDPcSCgDejf vufLcOV3IRMZnObwPiw3RhlwrwMk+3FWdOKv1FmQtiAu7lD2PqMKUQPn/IozQAgXC+spvP3+90u 3+BjIpQ4YWpDdxbwdvZL+rXHD7KStxzwqih1EwGP5W7NYh27CP/zXW2AkupPw42+FWnuinaa5tq pIWUfWMRnZDMyEQ== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Obtain the device node reference with scoped/cleanup.h and use scoped for_each_child_of_node_scoped() to reduce error handling in of_find_trip_id() and make the code a bit simpler. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Chen-Yu Tsai --- drivers/thermal/thermal_of.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c index 1f252692815a..a2278d4ad886 100644 --- a/drivers/thermal/thermal_of.c +++ b/drivers/thermal/thermal_of.c @@ -8,6 +8,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include #include #include #include @@ -22,11 +23,9 @@ static int of_find_trip_id(struct device_node *np, struct device_node *trip) { - struct device_node *trips; - struct device_node *t; int i = 0; - trips = of_get_child_by_name(np, "trips"); + struct device_node *trips __free(device_node) = of_get_child_by_name(np, "trips"); if (!trips) { pr_err("Failed to find 'trips' node\n"); return -EINVAL; @@ -35,20 +34,13 @@ static int of_find_trip_id(struct device_node *np, struct device_node *trip) /* * Find the trip id point associated with the cooling device map */ - for_each_child_of_node(trips, t) { - - if (t == trip) { - of_node_put(t); - goto out; - } + for_each_child_of_node_scoped(trips, t) { + if (t == trip) + return i; i++; } - i = -ENXIO; -out: - of_node_put(trips); - - return i; + return -ENXIO; } /*