RDMA/mlx5: Fix integrity enabled QP creation

create_flags checks was refactored and broke the creation on integrity
enabled QPs and actually broke the NVMe/RDMA and iSER ULP's when using
mlx5 driven devices.

Fixes: 2978975c ("RDMA/mlx5: Process create QP flags in one place")
Link: https://lore.kernel.org/r/20200617130230.2846915-1-leon@kernel.orgSigned-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/mlx5/qp.c

@@ -2668,6 +2668,9 @@ static int process_create_flags(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
 	if (qp_type == IB_QPT_RAW_PACKET && attr->rwq_ind_tbl)
 		return (create_flags) ? -EINVAL : 0;
 
+	process_create_flag(dev, &create_flags,
+			    IB_QP_CREATE_INTEGRITY_EN,
+			    MLX5_CAP_GEN(mdev, sho), qp);
 	process_create_flag(dev, &create_flags,
 			    IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
 			    MLX5_CAP_GEN(mdev, block_lb_mc), qp);