From 0eacc574aae7300bf46c10c7116c3ba5825505b7 Mon Sep 17 00:00:00 2001
From: Aharon Landau <aharonl@mellanox.com>
Date: Mon, 27 Apr 2020 18:46:36 +0300
Subject: [PATCH 1/1] RDMA/mlx5: Verify that QP is created with RQ or SQ
Git-commit: 0eacc574aae7300bf46c10c7116c3ba5825505b7
Patch-mainline: v5.10-rc1
References: bsc#1111666
RAW packet QP and underlay QP must be created with either
RQ or SQ, check that.
Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters")
Link: https://lore.kernel.org/r/20200427154636.381474-37-leon@kernel.org
Signed-off-by: Aharon Landau <aharonl@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
---
drivers/infiniband/hw/mlx5/qp.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 18c0a25da47a..14f4f0982e4e 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1482,6 +1482,8 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
u32 tdn = mucontext->tdn;
u16 uid = to_mpd(pd)->uid;
+ if (!qp->sq.wqe_cnt && !qp->rq.wqe_cnt)
+ return -EINVAL;
if (qp->sq.wqe_cnt) {
err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd);
if (err)
--
2.29.2.405.gfdfcad78fd04