1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index c1726be3654c..2f55973a8c4c 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -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;