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

From: Greg Kroah-Hartman
Date: Mon Jun 18 2018 - 04:23:16 EST


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

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

From: oulijun <oulijun@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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;
}
}