RDMA/hns: remove set but not used variable 'dseg'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/infiniband/hw/hns/hns_roce_hw_v2.c: In function 'hns_roce_v2_post_send':
drivers/infiniband/hw/hns/hns_roce_hw_v2.c:194:35: warning:
 variable 'dseg' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 0d7568e..8136dd8 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -191,7 +191,6 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp,
        struct hns_roce_v2_ud_send_wqe *ud_sq_wqe;
        struct hns_roce_v2_rc_send_wqe *rc_sq_wqe;
        struct hns_roce_qp *qp = to_hr_qp(ibqp);
-       struct hns_roce_v2_wqe_data_seg *dseg;
        struct device *dev = hr_dev->dev;
        struct hns_roce_v2_db sq_db;
        struct ib_qp_attr attr;
@@ -492,12 +491,6 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp,
                        roce_set_field(rc_sq_wqe->byte_4,
                                       V2_RC_SEND_WQE_BYTE_4_OPCODE_M,
                                       V2_RC_SEND_WQE_BYTE_4_OPCODE_S, hr_op);
-                       if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP ||
-                           wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD)
-                               dseg =
-                                 wqe - sizeof(struct hns_roce_v2_wqe_data_seg);
-                       else
-                               dseg = wqe;
 
                        ret = set_rwqe_data_seg(ibqp, wr, rc_sq_wqe, wqe,
                                                &sge_ind, bad_wr);