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gianfar: Fix missing sock reference when processing TX time stamps

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When there is not enough headroom in the skb a private copy will be made.
However, the private copy had no reference to the socket and consequently
no time stamp could be queued on the socket error queue during the
skb_tstamp_tx function. This patch fixes this issue by also stealing the
sock reference from the original skb after making the private copy.

Signed-off-by: Manfred Rudigier <manfred.rudigier@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Manfred Rudigier 2012-01-09 23:26:50 +00:00 committed by David S. Miller
parent eb8a54a78e
commit db83d136d7
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/freescale/gianfar.c
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@ -2086,6 +2086,10 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
kfree_skb(skb);
return NETDEV_TX_OK;
}
/* Steal sock reference for processing TX time stamps */
swap(skb_new->sk, skb->sk);
swap(skb_new->destructor, skb->destructor);
kfree_skb(skb);
skb = skb_new;
}