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authorWeihang Li <liweihang@huawei.com>2020-05-08 17:45:57 +0800
committerJason Gunthorpe <jgg@mellanox.com>2020-05-19 20:54:58 -0300
commit252067e95035151372f21c0c8626bf6fed9c5f0b (patch)
treee899f314808b068266dfdd3d3b4ddf1045daa82e /drivers/infiniband/hw/hns
parent7b611d2f6e8b99b699996c52b823454f4a74978f (diff)
RDMA/hns: Remove redundant memcpy()
srq_context is a local variables and is only used to get some fields from buffer of mailbox. It's meaningless to copy mailbox's buffer's contents back to it. Link: https://lore.kernel.org/r/1588931159-56875-8-git-send-email-liweihang@huawei.com Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 155c658ed3eb..34c183181908 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -5047,8 +5047,6 @@ static int hns_roce_v2_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
attr->max_wr = srq->wqe_cnt - 1;
attr->max_sge = srq->max_gs;
- memcpy(srq_context, mailbox->buf, sizeof(*srq_context));
-
out:
hns_roce_free_cmd_mailbox(hr_dev, mailbox);
return ret;