6.1-stable review patch. If anyone has any objections, please let me know.
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From: Junxian Huang huangjunxian6@hisilicon.com
[ Upstream commit b9989ab3f61ec459cbaf0a492fea3168bbfa4c7a ]
It is not necessary to check the type of the queue on IO path because unsupported QP type cannot be created.
Link: https://lore.kernel.org/r/20230523121641.3132102-2-huangjunxian6@hisilicon.c... Signed-off-by: Chengchang Tang tangchengchang@huawei.com Signed-off-by: Junxian Huang huangjunxian6@hisilicon.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Stable-dep-of: 323275ac2ff1 ("RDMA/hns: Fix cpu stuck caused by printings during reset") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 24 +++------------------- 1 file changed, 3 insertions(+), 21 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 8b371d6ecbac9..b190e0cd86b45 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -373,17 +373,10 @@ static int check_send_valid(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp) { struct ib_device *ibdev = &hr_dev->ib_dev; - struct ib_qp *ibqp = &hr_qp->ibqp;
- if (unlikely(ibqp->qp_type != IB_QPT_RC && - ibqp->qp_type != IB_QPT_GSI && - ibqp->qp_type != IB_QPT_UD)) { - ibdev_err(ibdev, "not supported QP(0x%x)type!\n", - ibqp->qp_type); - return -EOPNOTSUPP; - } else if (unlikely(hr_qp->state == IB_QPS_RESET || - hr_qp->state == IB_QPS_INIT || - hr_qp->state == IB_QPS_RTR)) { + if (unlikely(hr_qp->state == IB_QPS_RESET || + hr_qp->state == IB_QPS_INIT || + hr_qp->state == IB_QPS_RTR)) { ibdev_err(ibdev, "failed to post WQE, QP state %u!\n", hr_qp->state); return -EINVAL; @@ -777,17 +770,6 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp, static int check_recv_valid(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp) { - struct ib_device *ibdev = &hr_dev->ib_dev; - struct ib_qp *ibqp = &hr_qp->ibqp; - - if (unlikely(ibqp->qp_type != IB_QPT_RC && - ibqp->qp_type != IB_QPT_GSI && - ibqp->qp_type != IB_QPT_UD)) { - ibdev_err(ibdev, "unsupported qp type, qp_type = %d.\n", - ibqp->qp_type); - return -EOPNOTSUPP; - } - if (unlikely(hr_dev->state >= HNS_ROCE_DEVICE_STATE_RST_DOWN)) return -EIO;