From 2f88425ef590b7fcc2324334b342e048edc144a9 Mon Sep 17 00:00:00 2001 From: Haotian Zhang Date: Thu, 27 Nov 2025 00:26:02 +0800 Subject: [PATCH] hwmon: sy7636a: Fix regulator_enable resource leak on error path In sy7636a_sensor_probe(), regulator_enable() is called but if devm_hwmon_device_register_with_info() fails, the function returns without calling regulator_disable(), leaving the regulator enabled and leaking the reference count. Switch to devm_regulator_get_enable() to automatically manage the regulator resource. Fixes: de34a4053250 ("hwmon: sy7636a: Add temperature driver for sy7636a") Suggested-by: Guenter Roeck Signed-off-by: Haotian Zhang Link: https://lore.kernel.org/r/20251126162602.2086-1-vulab@iscas.ac.cn Signed-off-by: Guenter Roeck --- drivers/hwmon/sy7636a-hwmon.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/hwmon/sy7636a-hwmon.c b/drivers/hwmon/sy7636a-hwmon.c index a12fc0ce70e76..d51daaf63d632 100644 --- a/drivers/hwmon/sy7636a-hwmon.c +++ b/drivers/hwmon/sy7636a-hwmon.c @@ -66,18 +66,13 @@ static const struct hwmon_chip_info sy7636a_chip_info = { static int sy7636a_sensor_probe(struct platform_device *pdev) { struct regmap *regmap = dev_get_regmap(pdev->dev.parent, NULL); - struct regulator *regulator; struct device *hwmon_dev; int err; if (!regmap) return -EPROBE_DEFER; - regulator = devm_regulator_get(&pdev->dev, "vcom"); - if (IS_ERR(regulator)) - return PTR_ERR(regulator); - - err = regulator_enable(regulator); + err = devm_regulator_get_enable(&pdev->dev, "vcom"); if (err) return err; -- 2.47.3