RDMA/hns: Remove unnecessary ret variable from hns_roce_dereg_mr()

Fix the following coccicheck warning:

drivers/infiniband/hw/hns/hns_roce_mr.c:343:5-8: Unneeded variable: "ret".

Return 0 directly instead.

Link: https://lore.kernel.org/r/20220426070858.9098-1-guozhengkui@vivo.com
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index b389738d157fc606502297b8876a113f744bcf0e..867972c2a894dd47886f01473ae0902b7f4f9440 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -340,7 +340,6 @@ int hns_roce_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
 {
        struct hns_roce_dev *hr_dev = to_hr_dev(ibmr->device);
        struct hns_roce_mr *mr = to_hr_mr(ibmr);
-       int ret = 0;
 
        if (hr_dev->hw->dereg_mr)
                hr_dev->hw->dereg_mr(hr_dev);
@@ -348,7 +347,7 @@ int hns_roce_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
        hns_roce_mr_free(hr_dev, mr);
        kfree(mr);
 
-       return ret;
+       return 0;
 }
 
 struct ib_mr *hns_roce_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,