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net: hns: add skb_reset_mac_header() after skb being alloc 

HNS receives a packet without doing anything, but it should call
skb_reset_mac_header() to initialize the header before using
eth_hdr().

Fixes: 0d6b425a37
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kejian Yan 2016-06-21 11:56:23 +08:00 committed by David S. Miller
parent 14ae335a85
commit 8379f0a8ea
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/hisilicon/hns/hns_enet.c
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@ -600,6 +600,7 @@ static int hns_nic_poll_rx_skb(struct hns_nic_ring_data *ring_data,
ring->stats.sw_err_cnt++; ring->stats.sw_err_cnt++;
return -ENOMEM; return -ENOMEM;
} }
skb_reset_mac_header(skb);
prefetchw(skb->data); prefetchw(skb->data);
length = le16_to_cpu(desc->rx.pkt_len); length = le16_to_cpu(desc->rx.pkt_len);