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Groups > linux.kernel > #1420766

[patch net-next] net: hns: add skb_reset_mac_header() after skb being alloc

From Yisen Zhuang <Yisen.Zhuang@huawei.com>
Newsgroups linux.kernel
Subject [patch net-next] net: hns: add skb_reset_mac_header() after skb being alloc
Date 2016-06-13 14:30 +0200
Message-ID <rJza9-6dn-5@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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From: Kejian Yan <yankejian@huawei.com>

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

Fixes: 0d6b425a3773c3445b0f51b2f333821beaacb619
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns/hns_enet.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index ad742a6..15200e4 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -600,6 +600,7 @@ static int hns_nic_poll_rx_skb(struct hns_nic_ring_data *ring_data,
 		ring->stats.sw_err_cnt++;
 		return -ENOMEM;
 	}
+	skb_reset_mac_header(skb);
 
 	prefetchw(skb->data);
 	length = le16_to_cpu(desc->rx.pkt_len);
-- 
1.9.1

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[patch net-next] net: hns: add skb_reset_mac_header() after skb being alloc Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-13 14:30 +0200
  Re: [patch net-next] net: hns: add skb_reset_mac_header() after  skb being alloc David Miller <davem@davemloft.net> - 2016-06-15 07:50 +0200
    Re: [patch net-next] net: hns: add skb_reset_mac_header() after skb  being alloc Yisen Zhuang <Yisen.zhuang@huawei.com> - 2016-06-15 12:40 +0200
      Re: [patch net-next] net: hns: add skb_reset_mac_header() after skb  being alloc Yisen Zhuang <Yisen.zhuang@huawei.com> - 2016-06-20 09:20 +0200
        Re: [patch net-next] net: hns: add skb_reset_mac_header() after  skb being alloc David Miller <davem@davemloft.net> - 2016-06-20 18:10 +0200

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