net/mlx5: Fix E-Switch flow steering capabilities check

Add missing capabilities check for E-Switch FDB and ACLs flow
tables before creating their namespace in flow steering.

Fixes: efdc810b ('net/mlx5: Flow steering, Add vport ACL support')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

@@ -1846,6 +1846,7 @@ int mlx5_init_fs(struct mlx5_core_dev *dev)
 	}
 
 	if (MLX5_CAP_GEN(dev, eswitch_flow_table)) {
+		if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, ft_support)) {
 			err = init_fdb_root_ns(dev);
 			if (err)
 				goto err;
@@ -1860,6 +1861,7 @@ int mlx5_init_fs(struct mlx5_core_dev *dev)
 			if (err)
 				goto err;
 		}
+	}
 
 	return 0;
 err: