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hwmon: (asb100) Fix vrm write operation

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vrm is an u8, so the written value needs to be limited to [0, 255].

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Axel Lin 2014-08-06 08:21:49 +08:00 committed by Guenter Roeck
parent a4461647f6
commit db59ac4342
1 changed files with 4 additions and 0 deletions
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drivers/hwmon/asb100.c
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@ -510,6 +510,10 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
err = kstrtoul(buf, 10, &val);
if (err)
return err;
if (val > 255)
return -EINVAL;
data->vrm = val;
return count;
}