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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Lijun Ou <oulijun@huawei.com>, Jason Gunthorpe <jgg@mellanox.com>,
	Sasha Levin <sashal@kernel.org>,
	linux-rdma@vger.kernel.org
Subject: [PATCH AUTOSEL 4.19 212/219] RDMA/hns: Bugfix for the scene without receiver queue
Date: Fri, 22 Nov 2019 00:49:03 -0500	[thread overview]
Message-ID: <20191122054911.1750-204-sashal@kernel.org> (raw)
In-Reply-To: <20191122054911.1750-1-sashal@kernel.org>

From: Lijun Ou <oulijun@huawei.com>

[ Upstream commit 4d103905eb1e4f14cb62fcf962c9d35da7005dea ]

In some application scenario, the user could not have receive queue when
run rdma write or read operation.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/hw/hns/hns_roce_qp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 2fa4fb17f6d3c..44729ae5f11cd 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -503,7 +503,8 @@ static int hns_roce_qp_has_sq(struct ib_qp_init_attr *attr)
 static int hns_roce_qp_has_rq(struct ib_qp_init_attr *attr)
 {
 	if (attr->qp_type == IB_QPT_XRC_INI ||
-	    attr->qp_type == IB_QPT_XRC_TGT || attr->srq)
+	    attr->qp_type == IB_QPT_XRC_TGT || attr->srq ||
+	    !attr->cap.max_recv_wr)
 		return 0;
 
 	return 1;
-- 
2.20.1


  parent reply	other threads:[~2019-11-22  5:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191122054911.1750-1-sashal@kernel.org>
2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 030/219] RDMA/hns: Fix the bug while use multi-hop of pbl Sasha Levin
2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 032/219] RDMA/vmw_pvrdma: Use atomic memory allocation in create AH Sasha Levin
2019-11-22  5:46 ` [PATCH AUTOSEL 4.19 087/219] net/mlx5: Continue driver initialization despite debugfs failure Sasha Levin
2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 103/219] IB/qib: Fix an error code in qib_sdma_verbs_send() Sasha Levin
2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 112/219] RDMA/srp: Propagate ib_post_send() failures to the SCSI mid-layer Sasha Levin
2019-11-22  5:47 ` [PATCH AUTOSEL 4.19 129/219] IB/rxe: Make counters thread safe Sasha Levin
2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 160/219] infiniband: bnxt_re: qplib: Check the return value of send_message Sasha Levin
2019-11-22  5:48 ` [PATCH AUTOSEL 4.19 161/219] infiniband/qedr: Potential null ptr dereference of qp Sasha Levin
2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 211/219] RDMA/hns: Fix the bug with updating rq head pointer when flush cqe Sasha Levin
2019-11-22  5:49 ` Sasha Levin [this message]
2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 213/219] RDMA/hns: Fix the state of rereg mr Sasha Levin
2019-11-22  5:49 ` [PATCH AUTOSEL 4.19 214/219] RDMA/hns: Use GFP_ATOMIC in hns_roce_v2_modify_qp Sasha Levin

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