X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fhwmon%2Flm87.c;h=a5e295826aeae10fdbc1e517445f953d644f8811;hb=b07ba1dc78a251fc02992a35b0fd8757029566e4;hp=ba1d83d480563a14c8bafae0c38df8bb6edd2740;hpb=cebeb0f1885fa93c44be5d4e0b9b640210ff088c;p=cascardo%2Flinux.git

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;
 }