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[for-next,1/7] RDMA/hns: Fix query destination qpn

Message ID 1629985056-57004-2-git-send-email-liangwenpeng@huawei.com (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series RDMA/hns: Updates for 5.15 | expand

Commit Message

Wenpeng Liang Aug. 26, 2021, 1:37 p.m. UTC 
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")
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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
--- 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) |