RDMA/hns: Remove set but not used variable 'rst'

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

drivers/infiniband/hw/hns/hns_roce_hw_v2.c: In function 'hns_roce_v2_qp_flow_control_init':
drivers/infiniband/hw/hns/hns_roce_hw_v2.c:4384:33: warning:
 variable 'rst' set but not used [-Wunused-but-set-variable]

It never used since introduction.

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 48a5d6548cd470148b756f5711d57ec5b05a3017..6a22db12fc3daf5aac88b377a7b67a20ed1fc1ce 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -4381,7 +4381,7 @@ static int hns_roce_v2_destroy_qp(struct ib_qp *ibqp)
 static int hns_roce_v2_qp_flow_control_init(struct hns_roce_dev *hr_dev,
                                                struct hns_roce_qp *hr_qp)
 {
-       struct hns_roce_sccc_clr_done *rst, *resp;
+       struct hns_roce_sccc_clr_done *resp;
        struct hns_roce_sccc_clr *clr;
        struct hns_roce_cmq_desc desc;
        int ret, i;
@@ -4390,7 +4390,6 @@ static int hns_roce_v2_qp_flow_control_init(struct hns_roce_dev *hr_dev,
 
        /* set scc ctx clear done flag */
        hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_RESET_SCCC, false);
-       rst = (struct hns_roce_sccc_clr_done *)desc.data;
        ret =  hns_roce_cmq_send(hr_dev, &desc, 1);
        if (ret) {
                dev_err(hr_dev->dev, "Reset SCC ctx  failed(%d)\n", ret);