IB/hns: fix returnvar.cocci warnings

drivers/infiniband/hw/hns/hns_roce_hw_v1.c:2026:5-8: Unneeded variable: "ret". Return "0" on line 2046

 Remove unneeded variable used to store return value.

Generated by: scripts/coccinelle/misc/returnvar.cocci

Fixes: 7d1b6a678e0b ("IB/hns: Support compile test for hns RoCE driver")
CC: Matan Barak <matanb@mellanox.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 23fad6d969440bd2bd50a0c8b0dbafe8a92f4ae9..38f5c77baabf39f8b79d53781d662f13cb45ba8e 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -2023,7 +2023,6 @@ int hns_roce_v1_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
        struct hns_roce_cq *hr_cq = to_hr_cq(ibcq);
        u32 notification_flag;
        u32 doorbell[2];
-       int ret = 0;
 
        notification_flag = (flags & IB_CQ_SOLICITED_MASK) ==
                            IB_CQ_SOLICITED ? CQ_DB_REQ_NOT : CQ_DB_REQ_NOT_SOL;
@@ -2043,7 +2042,7 @@ int hns_roce_v1_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
 
        hns_roce_write64_k(doorbell, hr_cq->cq_db_l);
 
-       return ret;
+       return 0;
 }
 
 static int hns_roce_v1_poll_one(struct hns_roce_cq *hr_cq,