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Groups > linux.kernel > #1427249

[PATCH net-next 03/19] 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 03/19] net: hns: add skb_reset_mac_header() after skb being alloc
Date 2016-06-21 05:50 +0200
Message-ID <rMkRk-qs-31@gated-at.bofh.it> (permalink)
References <rMkHD-l2-5@gated-at.bofh.it>
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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Thread

[PATCH net-next 00/19] net: hns: fix some bugs in hns driver Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 08/19] net: hns: fix ethtool loopback fail bug Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 16/19] net: hns: fix bug that alloc skb fail lead to port unavailable Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
    Re: [PATCH net-next 16/19] net: hns: fix bug that alloc skb fail lead  to port unavailable Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-06-21 15:30 +0200
      Re: [PATCH net-next 16/19] net: hns: fix bug that alloc skb fail lead  to port unavailable Yisen Zhuang <Yisen.zhuang@huawei.com> - 2016-06-22 03:50 +0200
  [PATCH net-next 05/19] net: hns: Remove unnecessary device resource free Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame statistics Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
    Re: [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame  statistics Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-06-21 12:50 +0200
      Re: [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame  statistics Yisen Zhuang <Yisen.zhuang@huawei.com> - 2016-06-22 03:50 +0200
        Re: [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame  statistics Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-06-22 11:50 +0200
          Re: [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame  statistics Yisen Zhuang <Yisen.zhuang@huawei.com> - 2016-06-23 07:50 +0200
  [PATCH net-next 18/19] net: hns: change the default coalesce usecs Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 04/19] net: hns: typo fix of annotation info for hns_nic_reset_subtask() Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 12/19] net: hns: fix bug of getting the wrong tcam data Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 15/19] net: hns: bug fix about led control logic when link down Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 03/19] net: hns: add skb_reset_mac_header() after skb being alloc Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 17/19] net: hns: fix sbm default parameters config error Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 02/19] net: hns: fix hns dsaf v1 dont support tx_pause close Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 14/19] net: hns: delete redundancy ring enable operations Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  Re: [PATCH net-next 00/19] net: hns: fix some bugs in hns driver David Miller <davem@davemloft.net> - 2016-06-21 11:00 +0200

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