Commit e788a3cd authored by Wenpeng Liang's avatar Wenpeng Liang Committed by Jason Gunthorpe
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RDMA/hns: Fix query destination qpn 

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

Fixes: 926a01dc ("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: default avatarWenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 145eba1a

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+1 −1
Original line number Diff line number Diff line
@@ -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) |