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net: remove redundant code in dev_hard_start_xmit()

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This reverts commit 068a2de57d (net: release dst entry while
cache-hot for GSO case too)

Before GSO packet segmentation, we already take care of skb->dst if it
can be released.

There is no point adding extra test for every segment in the gso loop.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2013-04-22 14:31:34 +00:00 committed by David S. Miller
parent ee80fbf301
commit e12472dc57
1 changed files with 0 additions and 7 deletions
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7
net/core/dev.c
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@ -2546,13 +2546,6 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
skb->next = nskb->next;
nskb->next = NULL;
/*
* If device doesn't need nskb->dst, release it right now while
* its hot in this cpu cache
*/
if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
skb_dst_drop(nskb);
if (!list_empty(&ptype_all))
dev_queue_xmit_nit(nskb, dev);