4 files changed, 37 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 6176457b846b..de2327ffb0f7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -135,8 +135,6 @@ void mlx5e_update_carrier(struct mlx5e_priv *priv)
 	if (up) {
 		netdev_info(priv->netdev, "Link up\n");
 		netif_carrier_on(priv->netdev);
-		mlx5e_port_manual_buffer_config(priv, 0, priv->netdev->mtu,
-						NULL, NULL, NULL);
 	} else {
 		netdev_info(priv->netdev, "Link down\n");
 		netif_carrier_off(priv->netdev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 18ec392d1740..b561358474c4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -1497,12 +1497,21 @@ static const struct mlx5e_profile mlx5e_uplink_rep_profile = {
 static int
 mlx5e_vport_uplink_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
 {
-	struct mlx5e_priv *priv = netdev_priv(mlx5_uplink_netdev_get(dev));
 	struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
+	struct net_device *netdev;
+	struct mlx5e_priv *priv;
+	int err;
+
+	netdev = mlx5_uplink_netdev_get(dev);
+	if (!netdev)
+		return 0;
 
+	priv = netdev_priv(netdev);
 	rpriv->netdev = priv->netdev;
-	return mlx5e_netdev_change_profile(priv, &mlx5e_uplink_rep_profile,
-					   rpriv);
+	err = mlx5e_netdev_change_profile(priv, &mlx5e_uplink_rep_profile,
+					  rpriv);
+	mlx5_uplink_netdev_put(dev, netdev);
+	return err;
 }
 
 static void
@@ -1629,8 +1638,16 @@ mlx5e_vport_rep_unload(struct mlx5_eswitch_rep *rep)
 {
 	struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
 	struct net_device *netdev = rpriv->netdev;
-	struct mlx5e_priv *priv = netdev_priv(netdev);
-	void *ppriv = priv->ppriv;
+	struct mlx5e_priv *priv;
+	void *ppriv;
+
+	if (!netdev) {
+		ppriv = rpriv;
+		goto free_ppriv;
+	}
+
+	priv = netdev_priv(netdev);
+	ppriv = priv->ppriv;
 
 	if (rep->vport == MLX5_VPORT_UPLINK) {
 		mlx5e_vport_uplink_rep_unload(rpriv);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index 02a3563f51ad..d8c304427e2a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -733,6 +733,7 @@ static u32 mlx5_esw_qos_lag_link_speed_get_locked(struct mlx5_core_dev *mdev)
 		speed = lksettings.base.speed;
 
 out:
+	mlx5_uplink_netdev_put(mdev, slave);
 	return speed;
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h
index 37d5f445598c..a7486e6d0d5e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h
@@ -52,7 +52,20 @@ static inline struct net *mlx5_core_net(struct mlx5_core_dev *dev)
 
 static inline struct net_device *mlx5_uplink_netdev_get(struct mlx5_core_dev *mdev)
 {
-	return mdev->mlx5e_res.uplink_netdev;
+	struct mlx5e_resources *mlx5e_res = &mdev->mlx5e_res;
+	struct net_device *netdev;
+
+	mutex_lock(&mlx5e_res->uplink_netdev_lock);
+	netdev = mlx5e_res->uplink_netdev;
+	netdev_hold(netdev, &mlx5e_res->tracker, GFP_KERNEL);
+	mutex_unlock(&mlx5e_res->uplink_netdev_lock);
+	return netdev;
+}
+
+static inline void mlx5_uplink_netdev_put(struct mlx5_core_dev *mdev,
+					  struct net_device *netdev)
+{
+	netdev_put(netdev, &mdev->mlx5e_res.tracker);
 }
 
 struct mlx5_sd;