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[for-next,2/3] RDMA/hns: Fix QP state judgement before receiving work requests

Message ID 1517920459-93900-3-git-send-email-oulijun@huawei.com (mailing list archive)
State Superseded
Headers show

Commit Message

Lijun Ou Feb. 6, 2018, 12:34 p.m. UTC 
From: Yixian Liu <liuyixian@huawei.com>

The QP can accept receive work requests only when the QP is
in the states that allow them to be submitted.

This patch updates the QP state judgement based on the
specification.

Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index db2ff35..0aa7483 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -509,7 +509,7 @@  static int hns_roce_v2_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 	spin_lock_irqsave(&hr_qp->rq.lock, flags);
 	ind = hr_qp->rq.head & (hr_qp->rq.wqe_cnt - 1);
 
-	if (hr_qp->state == IB_QPS_RESET || hr_qp->state == IB_QPS_ERR) {
+	if (hr_qp->state == IB_QPS_RESET) {
 		spin_unlock_irqrestore(&hr_qp->rq.lock, flags);
 		*bad_wr = wr;
 		return -EINVAL;