diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index f1716a83a4d3..24d0c7c46878 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -294,7 +294,7 @@ static bool check_duplicate_entry(struct mlx4_dev *dev, u8 port,
 	struct mlx4_promisc_qp *dqp, *tmp_dqp;
 
 	if (port < 1 || port > dev->caps.num_ports)
-		return NULL;
+		return false;
 
 	s_steer = &mlx4_priv(dev)->steer[port - 1];
 
@@ -375,7 +375,7 @@ static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port,
 	bool ret = false;
 
 	if (port < 1 || port > dev->caps.num_ports)
-		return NULL;
+		return false;
 
 	s_steer = &mlx4_priv(dev)->steer[port - 1];