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@xxxxxxxxxxxx>
---
drivers/hwmon/gpio-fan.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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. */
--
2.7.4
