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[SK_BUFF]: Introduce skb_transport_offset()

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For the quite common 'skb->h.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
2007-04-25 17:55:53 -07:00
committed by David S. Miller
parent badff6d01a
commit ea2ae17d64
26 changed files with 64 additions and 64 deletions
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4
net/ipv6/ipcomp6.c
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@@ -124,15 +124,13 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
{
int err;
struct ipv6hdr *top_iph;
int hdr_len;
struct ipv6_comp_hdr *ipch;
struct ipcomp_data *ipcd = x->data;
int plen, dlen;
u8 *start, *scratch;
struct crypto_comp *tfm;
int cpu;
hdr_len = skb->h.raw - skb->data;
int hdr_len = skb_transport_offset(skb);
/* check whether datagram len is larger than threshold */
if ((skb->len - hdr_len) < ipcd->threshold) {