RDMA/mlx5: Delete impossible GSI port check

GSI QP is created in the kernel with very strict parameters,
there is no possible way that port number will be wrong in
such flow.

Link: https://lore.kernel.org/r/20200427154636.381474-3-leon@kernel.org
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/mlx5/gsi.c

@@ -123,15 +123,6 @@ struct ib_qp *mlx5_ib_gsi_create_qp(struct ib_pd *pd,
 	const int num_qps = mlx5_ib_deth_sqpn_cap(dev) ? num_pkeys : 0;
 	int ret;
 
-	mlx5_ib_dbg(dev, "creating GSI QP\n");
-
-	if (port_num > ARRAY_SIZE(dev->devr.ports) || port_num < 1) {
-		mlx5_ib_warn(dev,
-			     "invalid port number %d during GSI QP creation\n",
-			     port_num);
-		return ERR_PTR(-EINVAL);
-	}
-
 	gsi = kzalloc(sizeof(*gsi), GFP_KERNEL);
 	if (!gsi)
 		return ERR_PTR(-ENOMEM);