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hwmon: (w83791d) 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 08:28:02 +08:00 committed by Guenter Roeck
parent 970255b75d
commit fe04f24b83
1 changed files with 3 additions and 0 deletions
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3
drivers/hwmon/w83791d.c
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@ -1181,6 +1181,9 @@ static ssize_t store_vrm_reg(struct device *dev,
if (err)
return err;
if (val > 255)
return -EINVAL;
data->vrm = val;
return count;
}