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net: hns3: remove redundant memset when alloc buffer

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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>
This commit is contained in:
Lipeng 2017-10-23 19:51:06 +08:00 committed by David S. Miller
parent 66b447301a
commit 51145dae27
1 changed files with 0 additions and 2 deletions
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2
drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
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@ -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;
}