diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2007-03-20 01:29:03 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 05:26:38 (GMT) |
| commit | 6b88dd966b42e374dc783c397efc15f5c1458265 (patch) | |
| tree | 4876e6953c2281231be8b0ce9724f31a6e012a28 | |
| parent | dc5fc579b90ed0a9a4e55b0218cdbaf0a8cf2e67 (diff) | |
| download | linux-6b88dd966b42e374dc783c397efc15f5c1458265.tar.xz | |
[SK_BUFF] ipv6: Use skb_network_offset in some more places
So that we reduce the number of direct accesses to skb->data.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | net/ipv6/netfilter/ip6_tables.c | 2 | ||||
| -rw-r--r-- | net/ipv6/netfilter/nf_conntrack_reasm.c | 5 |
2 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index caf9e37..b97aedc 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -1448,7 +1448,7 @@ static void __exit ip6_tables_fini(void) int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, int target, unsigned short *fragoff) { - unsigned int start = (u8 *)(ipv6_hdr(skb) + 1) - skb->data; + unsigned int start = skb_network_offset(skb) + sizeof(struct ipv6hdr); u8 nexthdr = ipv6_hdr(skb)->nexthdr; unsigned int len = skb->len - start; diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index b7889ce..721f02d 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -707,8 +707,9 @@ static int find_prev_fhdr(struct sk_buff *skb, u8 *prevhdrp, int *prevhoff, int *fhoff) { u8 nexthdr = ipv6_hdr(skb)->nexthdr; - u8 prev_nhoff = (u8 *)&ipv6_hdr(skb)->nexthdr - skb->data; - int start = (u8 *)(ipv6_hdr(skb) + 1) - skb->data; + const int netoff = skb_network_offset(skb); + u8 prev_nhoff = netoff + offsetof(struct ipv6hdr, nexthdr); + int start = netoff + sizeof(struct ipv6hdr); int len = skb->len - start; u8 prevhdr = NEXTHDR_IPV6; |