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-rw-r--r--drivers/hwmon/w83791d.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index cb3765fec98c..001df856913f 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -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;
}