linux-kernel - [PATCH 4.16 136/279] RDMA/hns: Submit bad wr

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Date:   Mon, 18 Jun 2018 10:12:01 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Lijun Ou <oulijun@...wei.com>,
        Doug Ledford <dledford@...hat.com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.16 136/279] RDMA/hns: Submit bad wr

4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: oulijun <oulijun@...wei.com>

[ Upstream commit 137ae3208416278aabef3b71e0ea1052940ca362 ]

When generated bad work reqeust, it needs to
report to user. This patch mainly fixes it.

Signed-off-by: Lijun Ou <oulijun@...wei.com>
Signed-off-by: Doug Ledford <dledford@...hat.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -153,7 +153,7 @@ static int hns_roce_v2_post_send(struct
 		     ibqp->qp_type != IB_QPT_GSI &&
 		     ibqp->qp_type != IB_QPT_UD)) {
 		dev_err(dev, "Not supported QP(0x%x)type!\n", ibqp->qp_type);
-		*bad_wr = NULL;
+		*bad_wr = wr;
 		return -EOPNOTSUPP;
 	}
 
@@ -461,6 +461,7 @@ static int hns_roce_v2_post_send(struct
 		} else {
 			dev_err(dev, "Illegal qp_type(0x%x)\n", ibqp->qp_type);
 			spin_unlock_irqrestore(&qp->sq.lock, flags);
+			*bad_wr = wr;
 			return -EOPNOTSUPP;
 		}
 	}