From: Yixian Liu Date: Wed, 7 Feb 2018 09:49:29 +0000 (+0800) Subject: RDMA/hns: Fix QP state judgement before receiving work requests X-Git-Tag: v4.17-rc1~94^2~197 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=ced07769dc8484a9221aa616b3e935e748e8db03;p=linux-block.git RDMA/hns: Fix QP state judgement before receiving work requests 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 Signed-off-by: Lijun Ou Signed-off-by: Jason Gunthorpe --- diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index db2ff352d75f..0aa748304ab5 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;