From 0cafb7654a973bd7f8ada0b4195ad380d6ee2142 Mon Sep 17 00:00:00 2001 From: Yixian Liu Date: Wed, 3 Jan 2018 10:44:07 +0800 Subject: [PATCH] RDMA/hns: Fix QP state judgement before sending work requests The QP can accept send 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 Signed-off-by: Shaobo Xu Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 4c37f43d60a62..2ca35e341d091 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -76,7 +76,8 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, return -EOPNOTSUPP; } - if (unlikely(qp->state != IB_QPS_RTS && qp->state != IB_QPS_SQD)) { + if (unlikely(qp->state == IB_QPS_RESET || qp->state == IB_QPS_INIT || + qp->state == IB_QPS_RTR)) { dev_err(dev, "Post WQE fail, QP state %d err!\n", qp->state); *bad_wr = wr; return -EINVAL; -- 2.39.5