hwmon: (gpio_fan) Use error value returned from get_fan_speed_index()

get_fan_speed_index() returns -EINVAL in case of errors, only to have it
ignored and replaced with -ENODEV. Make it return -ENODEV and use it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index b7d6a5704eb2..155c78f09d88 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -169,7 +169,7 @@ static int get_fan_speed_index(struct gpio_fan_data *fan_data)
         dev_warn(&fan_data->pdev->dev,
                  "missing speed array entry for GPIO value 0x%x\n", ctrl_val);
 
-        return -EINVAL;
+        return -ENODEV;
 }
 
 static int rpm_to_speed_index(struct gpio_fan_data *fan_data, int rpm)
@@ -384,7 +384,7 @@ static int fan_ctrl_init(struct gpio_fan_data *fan_data,
         fan_data->pwm_enable = true; /* Enable manual fan speed control. */
         fan_data->speed_index = get_fan_speed_index(fan_data);
         if (fan_data->speed_index < 0)
-                return -ENODEV;
+                return fan_data->speed_index;
 
         return 0;
 }