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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=1654; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=ACTPT/WKeh8vPrxZG+9k9m7syH9ZC+yY+13QhJEgNj0=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmvRDx7NYdG6rXPPkRJrrDAHgRjoLKhzOmBCUbJ I8k1L+TZP6JAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZr0Q8QAKCRDBN2bmhouD 1wujEACJpmuU29GVP2zsxezI8prUfzlD7Dd1+Iqtv8zthOx8t2E5ZqFctpVVI+MKRT/R6mVKS// U4kJXFpNtgs4UEuc1kNVnl9nNX4jtvW24aQJmPkYMwlf9YBGuHWWYh/0LwjAla3bR7TQj3GpKGi cUKzjtiGHn/X/DsbY1vZNWYvLIxlf6liEtilmsZOJczvEQmxlyUrBaFhj4h7Etjgw6GvEiuBo6R +AUL0t1Ub4L+Da8vdWUd/DnOysxjTeDfAuY2gMpgRmfe4JFNF/BVhFc1ULBx9a373LNUvjlzI4v tzor1aruDD8jpccHc5jEEwsBifiYCavIf+/YwF4WYDV/JjoArEL0xavpKzdWaVsdEWBelvaFp2G Sz+7ZiUpDZQxiKiu5XYOPrUt/zBUb/Om88yNxspDCUFLpUB9tWapk2Bg5Dp1DjO7rtJxKrCwbKf FCU0iZo7E00Ibt8esX8i6IPfo96rrh2Uw43X3geCtY9zqA8hOWn/tZBiy0xxuNMOMR7MK7XYfK3 1TEQ7WkvZi+ytUQEEREOvCBUIcf8GOou/ALd+O5SFD4yFWBnqpR+mEYDvfOMLFFnrG9FvU2EfI2 ifFhHDDDczOFhS6oE3i1pHl7U3w1jzlco+CefAoXghMjvTE4xP3Pc9tGOmRp2XBFWnJVdizYn8r IJs7VOjqz7i23OA== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Obtain the device node reference with scoped/cleanup.h to reduce error handling and make the code a bit simpler. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Chen-Yu Tsai --- drivers/thermal/thermal_of.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c index a2278d4ad886..c8ded4462bb8 100644 --- a/drivers/thermal/thermal_of.c +++ b/drivers/thermal/thermal_of.c @@ -117,10 +117,9 @@ static int thermal_of_populate_trip(struct device_node *np, static struct thermal_trip *thermal_of_trips_init(struct device_node *np, int *ntrips) { struct thermal_trip *tt; - struct device_node *trips; int ret, count; - 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 ERR_PTR(-EINVAL); @@ -129,15 +128,12 @@ static struct thermal_trip *thermal_of_trips_init(struct device_node *np, int *n count = of_get_child_count(trips); if (!count) { pr_err("No trip point defined\n"); - ret = -EINVAL; - goto out_of_node_put; + return ERR_PTR(-EINVAL); } tt = kzalloc(sizeof(*tt) * count, GFP_KERNEL); - if (!tt) { - ret = -ENOMEM; - goto out_of_node_put; - } + if (!tt) + return ERR_PTR(-ENOMEM); *ntrips = count; @@ -155,8 +151,6 @@ static struct thermal_trip *thermal_of_trips_init(struct device_node *np, int *n out_kfree: kfree(tt); *ntrips = 0; -out_of_node_put: - of_node_put(trips); return ERR_PTR(ret); }