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authorGuenter Roeck <linux@roeck-us.net>2013-09-13 17:42:39 (GMT)
committerGuenter Roeck <linux@roeck-us.net>2013-10-13 23:16:26 (GMT)
commitc52ae3d2794ee2a248245a9e5a26f717e1c401f5 (patch)
tree927fbc67c2d81ed2b1154798d12af4e9366cf8c3
parentbb34c0da646530425d9ae0e6e6229e641469da4c (diff)
downloadlinux-c52ae3d2794ee2a248245a9e5a26f717e1c401f5.tar.xz
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>
-rw-r--r--drivers/hwmon/gpio-fan.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index b7d6a57..155c78f 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;
}