net/mlx5e: mlx5_tc_ct_init does not fail

mlx5_tc_ct_init() either returns a valid pointer or a NULL, either way
the caller can continue, remove IS_ERR check from callers as it has no
effect.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

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

@@ -4646,10 +4646,6 @@ int mlx5e_tc_nic_init(struct mlx5e_priv *priv)
 
 	tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr,
 				 MLX5_FLOW_NAMESPACE_KERNEL);
-	if (IS_ERR(tc->ct)) {
-		err = PTR_ERR(tc->ct);
-		goto err_ct;
-	}
 
 	tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event;
 	err = register_netdevice_notifier_dev_net(priv->netdev,
@@ -4665,7 +4661,6 @@ int mlx5e_tc_nic_init(struct mlx5e_priv *priv)
 
 err_reg:
 	mlx5_tc_ct_clean(tc->ct);
-err_ct:
 	mlx5_chains_destroy(tc->chains);
 err_chains:
 	rhashtable_destroy(&tc->ht);
@@ -4724,8 +4719,6 @@ int mlx5e_tc_esw_init(struct rhashtable *tc_ht)
 					       esw_chains(esw),
 					       &esw->offloads.mod_hdr,
 					       MLX5_FLOW_NAMESPACE_FDB);
-	if (IS_ERR(uplink_priv->ct_priv))
-		goto err_ct;
 
 	mapping = mapping_create(sizeof(struct tunnel_match_key),
 				 TUNNEL_INFO_BITS_MASK, true);
@@ -4765,7 +4758,6 @@ int mlx5e_tc_esw_init(struct rhashtable *tc_ht)
 	mapping_destroy(uplink_priv->tunnel_mapping);
 err_tun_mapping:
 	mlx5_tc_ct_clean(uplink_priv->ct_priv);
-err_ct:
 	netdev_warn(priv->netdev,
 		    "Failed to initialize tc (eswitch), err: %d", err);
 	return err;