net/mlx5e: Return error in case mlx5e_set_features() fails

In case mlx5e_set_features() fails, return the failure status rather
than 0.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

@@ -1843,7 +1843,7 @@ static int mlx5e_set_features(struct net_device *netdev,
 			mlx5e_disable_vlan_filter(priv);
 	}
 
-	return 0;
+	return err;
 }
 
 static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu)