net/mlx5: Avoid disabling RoCE when uninitialized

Move the check if RoCE steering is initialized to the
disable RoCE function, it will ensure that we disable
RoCE only if we succeeded in enabling it before.

Fixes: 80f09dfc23 ("net/mlx5: Eswitch, enable RoCE loopback traffic")
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

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

@@ -14,9 +14,6 @@ static void mlx5_rdma_disable_roce_steering(struct mlx5_core_dev *dev)
 {
 	struct mlx5_core_roce *roce = &dev->priv.roce;
 
-	if (!roce->ft)
-		return;
-
 	mlx5_del_flow_rules(roce->allow_rule);
 	mlx5_destroy_flow_group(roce->fg);
 	mlx5_destroy_flow_table(roce->ft);
@@ -145,6 +142,11 @@ static int mlx5_rdma_add_roce_addr(struct mlx5_core_dev *dev)
 
 void mlx5_rdma_disable_roce(struct mlx5_core_dev *dev)
 {
+	struct mlx5_core_roce *roce = &dev->priv.roce;
+
+	if (!roce->ft)
+		return;
+
 	mlx5_rdma_disable_roce_steering(dev);
 	mlx5_rdma_del_roce_addr(dev);
 	mlx5_nic_vport_disable_roce(dev);