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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-03-12 20:09:15 -0300
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:25:07 -0700
commitc9bdd4b5257406b0608385d19c40b5511decf4f6 (patch)
treefe5319c322a11c0b00e7ef0473762a8d1961da83 /net/ipv4/ip_input.c
parent0272ffc46f81a4bbbf302ba093c737e969c5bb55 (diff)
[IP]: Introduce ip_hdrlen()
For the common sequence "skb->nh.iph->ihl * 4", removing a good number of open coded skb->nh.iph uses, now to go after the rest... Just out of curiosity, here are the idioms found to get the same result: skb->nh.iph->ihl << 2 skb->nh.iph->ihl<<2 skb->nh.iph->ihl * 4 skb->nh.iph->ihl*4 (skb->nh.iph)->ihl * sizeof(u32) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_input.c')
-rw-r--r--net/ipv4/ip_input.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index f38e97647ac0..2ee132b330fd 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -198,9 +198,7 @@ int ip_call_ra_chain(struct sk_buff *skb)
static inline int ip_local_deliver_finish(struct sk_buff *skb)
{
- int ihl = skb->nh.iph->ihl*4;
-
- __skb_pull(skb, ihl);
+ __skb_pull(skb, ip_hdrlen(skb));
/* Point into the IP datagram, just past the header. */
skb->h.raw = skb->data;