net: hns3: remove redundant memset when alloc buffer

HW will use packet length to write packets to buffer or read
packets from buffer. There is a redundant memset when alloc buffer,
the memset have no sense and will increase time-consuming.
This patch removes it.

Fixes: 76ad4f0 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC)

Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
index 14de0f7..06af3c8 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
@@ -1444,8 +1444,6 @@ static int hns3_alloc_buffer(struct hns3_enet_ring *ring,
        cb->length = hnae_page_size(ring);
        cb->type = DESC_TYPE_PAGE;
 
-       memset(cb->buf, 0, cb->length);
-
        return 0;
 }