diff options
| author |   Axel Lin <axel.lin@ingics.com> | 2014-08-06 08:28:46 +0800 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2014-08-05 19:44:42 -0700 |
| commit | 2aeee04df8e0ea4d5b91da630687af1a1d93c941 (patch) | |
| tree | ee8eaca0117ea92924600fb1faf88d534646fd4b | |
| parent | hwmon: (w83791d) Fix vrm write operation (diff) | |
hwmon: (w83793) Fix vrm write operation
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>
| -rw-r--r-- | drivers/hwmon/w83793.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 9d63d71214ca..816aa6caf5d5 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -353,6 +353,9 @@ store_vrm(struct device *dev, struct device_attribute *attr, if (err) return err; + if (val > 255) + return -EINVAL; + data->vrm = val; return count; } |