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hwmon: (ftsteutates) Fix clearing alarm sysfs entries

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sysfs store functions should return the number of bytes written.
Returning zero results in an endless loop.

Fixes: 08426eda58 ("hwmon: Add driver for FTS BMC chip "Teutates"")
Signed-off-by: Thilo Cestonaro <[email protected]>
[groeck: Clean up documentation change and description]
Signed-off-by: Guenter Roeck <[email protected]>
This commit is contained in:
Thilo Cestonaro 2017-08-03 11:43:51 +02:00 • committed by Guenter Roeck
commit 7576750f03
2 changed files with 6 additions and 0 deletions
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2
drivers/hwmon/ftsteutates.c
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@ -435,6 +435,7 @@ clear_temp_alarm(struct device *dev, struct device_attribute *devattr,
goto error;
data->valid = false;
ret = count;
error:
mutex_unlock(&data->update_lock);
return ret;
@ -508,6 +509,7 @@ clear_fan_alarm(struct device *dev, struct device_attribute *devattr,
goto error;
data->valid = false;
ret = count;
error:
mutex_unlock(&data->update_lock);
return ret;