[PATCH AUTOSEL 4.19 074/209] RDMA/hns: Submit bad wr when post send wr exception

Sasha Levin
2019-11-13T02:24:18Z

From: Lijun Ou <oulijun@huawei.com>

[ Upstream commit c80e066100b5fed722c8da67c1bd2312e7bcf129 ]

When user issues a RDMA read and enables sq inline, it needs to report a
bad wr to user.

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_hw_v2.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 7eb6e4bf8a090..ce44a90d2bd3e 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -121,6 +121,7 @@ static int set_rwqe_data_seg(struct ib_qp *ibqp, const struct ib_send_wr *wr,
}

if (wr->opcode == IB_WR_RDMA_READ) {
+ *bad_wr = wr;
dev_err(hr_dev->dev, "Not support inline data!\n");
return -EINVAL;
}
--
2.20.1