hwmon: (adt7462) Use error value returned from find_trange_value()

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

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c
index addb5a4d5064572212ef44df3534f30c90a9a499..562cc3881d3345465f0605c5f19c36d8b0b1f127 100644 (file)
--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -700,7 +700,7 @@ static int find_trange_value(int trange)
                if (trange_values[i] == trange)
                        return i;
 
-       return -ENODEV;
+       return -EINVAL;
 }
 
 static struct adt7462_data *adt7462_update_device(struct device *dev)
@@ -1294,9 +1294,8 @@ static ssize_t set_pwm_tmax(struct device *dev,
        /* trange = tmax - tmin */
        tmin = (data->pwm_tmin[attr->index] - 64) * 1000;
        trange_value = find_trange_value(trange - tmin);
-
        if (trange_value < 0)
-               return -EINVAL;
+               return trange_value;
 
        temp = trange_value << ADT7462_PWM_RANGE_SHIFT;
        temp |= data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK;