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-rw-r--r--drivers/hwmon/lm87.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index ba1d83d48056..a5e295826aea 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -617,6 +617,10 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
err = kstrtoul(buf, 10, &val);
if (err)
return err;
+
+ if (val > 255)
+ return -EINVAL;
+
data->vrm = val;
return count;
}