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net: Orphan and de-dst skbs earlier in xmit path.

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This way GSO packets don't get handled differently.

With help from Eric Dumazet.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
This commit is contained in:
David S. Miller 2010-04-22 01:02:07 -07:00
parent e326bed2f4
commit 9ccb897594
1 changed files with 8 additions and 7 deletions
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15
net/core/dev.c
View file

@ -1902,13 +1902,6 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
if (!list_empty(&ptype_all))
dev_queue_xmit_nit(skb, dev);
if (netif_needs_gso(dev, skb)) {
if (unlikely(dev_gso_segment(skb)))
goto out_kfree_skb;
if (skb->next)
goto gso;
}
/*
* If device doesnt need skb->dst, release it right now while
* its hot in this cpu cache
@ -1917,6 +1910,14 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
skb_dst_drop(skb);
skb_orphan_try(skb);
if (netif_needs_gso(dev, skb)) {
if (unlikely(dev_gso_segment(skb)))
goto out_kfree_skb;
if (skb->next)
goto gso;
}
rc = ops->ndo_start_xmit(skb, dev);
if (rc == NETDEV_TX_OK)
txq_trans_update(txq);