diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index ca8430f..e67b9a5 100644
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -1085,6 +1085,9 @@
 	if (err)
 		return err;
 
+	if (val > 255)
+		return -EINVAL;
+
 	data->vrm = val;
 	return count;
 }