Commit b9bb92e1 authored Jun 07, 2019 by Guenter Roeck

hwmon: (gpio-fan) Check return value from devm_add_action_or_reset

devm_add_action_or_reset() can fail due to a memory allocation failure.
Check for it and return the error if that happens.

Fixes: 95347845 ("hwmon: (gpio-fan) Use devm_thermal_of_cooling_device_register")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

parent 4b972a01

drivers/hwmon/gpio-fan.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -524,7 +524,9 @@ static int gpio_fan_probe(struct platform_device *pdev)
		err = fan_ctrl_init(fan_data);
		if (err)
		return err;
		devm_add_action_or_reset(dev, gpio_fan_stop, fan_data);
		err = devm_add_action_or_reset(dev, gpio_fan_stop, fan_data);
		if (err)
		return err;
		}

		/* Make this driver part of hwmon class. */