From 5c570b9573ecabf3ffc9af7f03daa088f2466d7b Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Wed, 6 Aug 2014 08:25:44 +0800 Subject: hwmon: (vt1211) Fix vrm write operation vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin Signed-off-by: Guenter Roeck --- drivers/hwmon/vt1211.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c index 344b22ec2553..3ea57c3504e2 100644 --- a/drivers/hwmon/vt1211.c +++ b/drivers/hwmon/vt1211.c @@ -879,6 +879,9 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, if (err) return err; + if (val > 255) + return -EINVAL; + data->vrm = val; return count; -- cgit v1.2.2