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authorlipeng <lipeng321@huawei.com>2017-04-01 12:03:34 +0100
committerDavid S. Miller <davem@davemloft.net>2017-04-03 14:48:43 -0700
commitfb0672d11634dd072bfb66a0b546b4fc592f4158 (patch)
tree2317597c05672e8397d54b237317e1a4c6791e06 /drivers/net/ethernet/hisilicon/hns
parentde99208cc7ceb964ea4e912000f2102f927f75ea (diff)
net: hns: Remove redundant memset during buffer release
Because all members of desc_cb is assigned when xmit one package, so it can delete in hnae_free_buffer, as follows: - "dma, priv, length, type" are assigned in fill_v2_desc. - "page_offset, reuse_flag, buf" are not used in tx direction. Signed-off-by: lipeng <lipeng321@huawei.com> Signed-off-by: Weiwei Deng <dengweiwei@huawei.com> Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hnae.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c
index 120427a40883..8138dde4e767 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.c
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.c
@@ -61,7 +61,6 @@ static void hnae_free_buffer(struct hnae_ring *ring, struct hnae_desc_cb *cb)
dev_kfree_skb_any((struct sk_buff *)cb->priv);
else if (unlikely(is_rx_ring(ring)))
put_page((struct page *)cb->priv);
- memset(cb, 0, sizeof(*cb));
}
static int hnae_map_buffer(struct hnae_ring *ring, struct hnae_desc_cb *cb)