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

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

Fixes: 9534784550 ("hwmon: (gpio-fan) Use devm_thermal_of_cooling_device_register")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2019-06-07 13:19:12 -07:00
parent 4b972a01a7
commit b9bb92e1d1
1 changed files with 3 additions and 1 deletions
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4
drivers/hwmon/gpio-fan.c
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@ -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. */