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hwmon: (emc2103) Fix return value

Browse source 
kstrtol() returns appropriate error values. Use those instead of
hardcoding. Silences several sparse messages of following type:
"why not propagate 'result' from kstrtol() instead of (-22)?"

Signed-off-by: Sachin Kamat <[email protected]>
Cc: Steve Glendinning <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
This commit is contained in:
Sachin Kamat 2013-09-11 09:49:48 +05:30 • committed by Guenter Roeck
commit 1a3abbd0b9
1 changed files with 5 additions and 5 deletions
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10
drivers/hwmon/emc2103.c
View file

@ -248,7 +248,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *da,
int result = kstrtol(buf, 10, &val);
if (result < 0)
return -EINVAL;
return result;
val = DIV_ROUND_CLOSEST(val, 1000);
if ((val < -63) || (val > 127))
@ -272,7 +272,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *da,
int result = kstrtol(buf, 10, &val);
if (result < 0)
return -EINVAL;
return result;
val = DIV_ROUND_CLOSEST(val, 1000);
if ((val < -63) || (val > 127))
@ -320,7 +320,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
int status = kstrtol(buf, 10, &new_div);
if (status < 0)
return -EINVAL;
return status;
if (new_div == old_div) /* No change */
return count;
@ -394,7 +394,7 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute *da,
int result = kstrtol(buf, 10, &rpm_target);
if (result < 0)
return -EINVAL;
return result;
/* Datasheet states 16384 as maximum RPM target (table 3.2) */
if ((rpm_target < 0) || (rpm_target > 16384))
@ -440,7 +440,7 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *da,
int result = kstrtol(buf, 10, &new_value);
if (result < 0)
return -EINVAL;
return result;
mutex_lock(&data->update_lock);
switch (new_value) {