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| author | Guenter Roeck <linux@roeck-us.net> | 2019-06-07 23:19:12 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2019-06-24 04:32:34 +0300 |
| commit | b9bb92e1d1be921e91d8b469dc1261ea5ac71991 (patch) | |
| tree | 5e1dd447b0b10d10a7926065ea43216e640134e2 | |
| parent | 4b972a01a7da614b4796475f933094751a295a2f (diff) | |
| download | linux-b9bb92e1d1be921e91d8b469dc1261ea5ac71991.tar.xz | |
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: 9534784550ab ("hwmon: (gpio-fan) Use devm_thermal_of_cooling_device_register")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | drivers/hwmon/gpio-fan.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index 84753680a4e8..54c27e683ee1 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -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. */ |