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hwmon: (ds620) Fix overflows seen when writing temperature limits 

Module test reports:

temp1_max: Suspected overflow: [160000 vs. 0]
temp1_min: Suspected overflow: [160000 vs. 0]

This is seen because the values passed when writing temperature limits
are unbound.

Reviewed-by: Jean Delvare <jdelvare@suse.de>
Fixes: 6099469805 ("hwmon: Support for Dallas Semiconductor DS620")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2016-11-20 10:37:39 -08:00
parent 0fb620c433
commit e36ce99ee0
1 changed files with 1 additions and 1 deletions
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2
drivers/hwmon/ds620.c
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@ -166,7 +166,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
if (res)
return res;
val = (val * 10 / 625) * 8;
val = (clamp_val(val, -128000, 128000) * 10 / 625) * 8;
mutex_lock(&data->update_lock);
data->temp[attr->index] = val;