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| author | Axel Lin <axel.lin@ingics.com> | 2014-08-06 08:25:44 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2014-08-05 19:44:42 -0700 |
| commit | 5c570b9573ecabf3ffc9af7f03daa088f2466d7b (patch) | |
| tree | cff7769a074bc5d3e81541d15fce7e31b1383cbc /drivers/hwmon/vt1211.c | |
| parent | 5e3b5610f921701b235fc9a1bb17c040224bd76e (diff) | |
| download | lwn-5c570b9573ecabf3ffc9af7f03daa088f2466d7b.tar.gz lwn-5c570b9573ecabf3ffc9af7f03daa088f2466d7b.zip | |
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 <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/vt1211.c')
| -rw-r--r-- | drivers/hwmon/vt1211.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |