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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 <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-03-10 22:16:10 -03:00
committed by David S. Miller
parent e7dd65dafd
commit bbe735e424
18 changed files with 33 additions and 28 deletions
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4
net/ax25/ax25_out.c
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@@ -148,7 +148,7 @@ void ax25_output(ax25_cb *ax25, int paclen, struct sk_buff *skb)
if (ka9qfrag == 1) {
skb_reserve(skbn, frontlen + 2);
skbn->nh.raw = skbn->data + (skb->nh.raw - skb->data);
skbn->nh.raw = skbn->data + skb_network_offset(skb);
memcpy(skb_put(skbn, len), skb->data, len);
p = skb_push(skbn, 2);
@@ -161,7 +161,7 @@ void ax25_output(ax25_cb *ax25, int paclen, struct sk_buff *skb)
}
} else {
skb_reserve(skbn, frontlen + 1);
skbn->nh.raw = skbn->data + (skb->nh.raw - skb->data);
skbn->nh.raw = skbn->data + skb_network_offset(skb);
memcpy(skb_put(skbn, len), skb->data, len);
p = skb_push(skbn, 1);
*p = AX25_P_TEXT;