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hwmon: (w83627hf) 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 08:27:11 +08:00 committed by Guenter Roeck
parent 5c570b9573
commit 970255b75d
1 changed files with 3 additions and 0 deletions
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3
drivers/hwmon/w83627hf.c
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@ -820,6 +820,9 @@ store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf
err = kstrtoul(buf, 10, &val);
if (err)
return err;
if (val > 255)
return -EINVAL;
data->vrm = val;
return count;