From: Javier Carrasco Date: Thu, 31 Oct 2024 16:30:30 +0000 (+0100) Subject: leds: max5970: Fix unreleased fwnode_handle in probe function X-Git-Tag: v6.11.11~383 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=072d5a70e5767dc6c89eae6ea143cc5480cc83a0;p=thirdparty%2Fkernel%2Fstable.git leds: max5970: Fix unreleased fwnode_handle in probe function [ Upstream commit 02f58f97419c828f58e30f24f54395ac9be159c0 ] An object initialized via device_get_named_child_node() requires calls to fwnode_handle_put() when it is no longer required to avoid leaking memory. Add the automatic cleanup facility for 'led_node' to ensure that fwnode_handle_put() is called in all execution paths. Fixes: 736214b4b02a ("leds: max5970: Add support for max5970") Signed-off-by: Javier Carrasco Link: https://lore.kernel.org/r/20241031-max5970-of_node_put-v2-1-0ffe1f1d3bc9@gmail.com Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- diff --git a/drivers/leds/leds-max5970.c b/drivers/leds/leds-max5970.c index 56a584311581a..285074c53b234 100644 --- a/drivers/leds/leds-max5970.c +++ b/drivers/leds/leds-max5970.c @@ -45,7 +45,7 @@ static int max5970_led_set_brightness(struct led_classdev *cdev, static int max5970_led_probe(struct platform_device *pdev) { - struct fwnode_handle *led_node, *child; + struct fwnode_handle *child; struct device *dev = &pdev->dev; struct regmap *regmap; struct max5970_led *ddata; @@ -55,7 +55,8 @@ static int max5970_led_probe(struct platform_device *pdev) if (!regmap) return -ENODEV; - led_node = device_get_named_child_node(dev->parent, "leds"); + struct fwnode_handle *led_node __free(fwnode_handle) = + device_get_named_child_node(dev->parent, "leds"); if (!led_node) return -ENODEV;