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[SK_BUFF]: Introduce skb_network_offset()

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For the quite common 'skb->nh.raw - skb->data' sequence.

Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-10 22:16:10 -03:00 • committed by David S. Miller
commit bbe735e424
18 changed files with 33 additions and 28 deletions
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2
drivers/isdn/i4l/isdn_net.c
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@ -1121,7 +1121,7 @@ isdn_net_adjust_hdr(struct sk_buff *skb, struct net_device *dev)
if (!skb)
return;
if (lp->p_encap == ISDN_NET_ENCAP_ETHER) {
int pullsize = (ulong)skb->nh.raw - (ulong)skb->data - ETH_HLEN;
const int pullsize = skb_network_offset(skb) - ETH_HLEN;
if (pullsize > 0) {
printk(KERN_DEBUG "isdn_net: Pull junk %d\n", pullsize);
skb_pull(skb, pullsize);