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authorPatrick McHardy <kaber@trash.net>2007-12-04 23:51:48 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:56:04 -0800
commit193b23c5a0b270f045a4e77545e9020bfe73d5c4 (patch)
treebbd247ed6e98b0a0e59ffd8d5a7ba8bc27402641
parent17dfc93f6d7e5792c9c36dd70c8612721a091ae8 (diff)
[NETFILTER]: xt_hashlimit: remove ip6tables module dependency
Switch from ipv6_find_hdr to ipv6_skip_exthdr to avoid pulling in ip6_tables and ipv6 when only using it for IPv4. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/netfilter/xt_hashlimit.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 49a9e691dc1..951d4c82967 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -21,6 +21,7 @@
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
+#include <net/ipv6.h>
#include <net/net_namespace.h>
#include <linux/netfilter/x_tables.h>
@@ -379,7 +380,7 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo,
const struct sk_buff *skb, unsigned int protoff)
{
__be16 _ports[2], *ports;
- int nexthdr;
+ u8 nexthdr;
memset(dst, 0, sizeof(*dst));
@@ -407,8 +408,9 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo,
if (!(hinfo->cfg.mode &
(XT_HASHLIMIT_HASH_DPT | XT_HASHLIMIT_HASH_SPT)))
return 0;
- nexthdr = ipv6_find_hdr(skb, &protoff, -1, NULL);
- if (nexthdr < 0)
+ nexthdr = ipv6_hdr(skb)->nexthdr;
+ protoff = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr), &nexthdr);
+ if ((int)protoff < 0)
return -1;
break;
#endif