RDMA/hns: Fix query destination qpn

The bit width of dqpn is 24 bits, using u8 will cause truncation error.

Fixes: 926a01dc000d ("RDMA/hns: Add QP operations support for hip08 SoC")
Link: https://lore.kernel.org/r/1629985056-57004-2-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 50a6f91..752bad5 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -5130,7 +5130,7 @@ static int hns_roce_v2_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
 
        qp_attr->rq_psn = hr_reg_read(&context, QPC_RX_REQ_EPSN);
        qp_attr->sq_psn = (u32)hr_reg_read(&context, QPC_SQ_CUR_PSN);
-       qp_attr->dest_qp_num = (u8)hr_reg_read(&context, QPC_DQPN);
+       qp_attr->dest_qp_num = hr_reg_read(&context, QPC_DQPN);
        qp_attr->qp_access_flags =
                ((hr_reg_read(&context, QPC_RRE)) << V2_QP_RRE_S) |
                ((hr_reg_read(&context, QPC_RWE)) << V2_QP_RWE_S) |