diff options
| author | Patrick McHardy <kaber@trash.net> | 2011-02-03 10:27:49 +0100 |
|---|---|---|
| committer | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2011-02-03 10:27:49 +0100 |
| commit | 43b0532ea90ae4140233f1e293ff663f7e49bec8 (patch) | |
| tree | 244bc5cc21c3a87cf4be766a868e7cd51cfca9f1 /kernel/ip_set_getport.c | |
| parent | a7586eb0a0eed3554a104ace4fda912c3ab087ab (diff) | |
netfilter: ipset: fix linking with CONFIG_IPV6=n
Add some #ifdefs to unconditionally return false in
ip_set_get_ip6_port() when CONFIG_IPV6=n and convert
to ipv6_skip_exthdr() to avoid pulling in the ip6_tables
module when loading ipset.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'kernel/ip_set_getport.c')
| -rw-r--r-- | kernel/ip_set_getport.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/kernel/ip_set_getport.c b/kernel/ip_set_getport.c index 4dd2785..8d52272 100644 --- a/kernel/ip_set_getport.c +++ b/kernel/ip_set_getport.c @@ -13,6 +13,7 @@ #include <linux/icmpv6.h> #include <linux/netfilter_ipv6/ip6_tables.h> #include <net/ip.h> +#include <net/ipv6.h> #include <linux/netfilter/ipset/ip_set_getport.h> @@ -93,21 +94,23 @@ ip_set_get_ip4_port(const struct sk_buff *skb, bool src, } EXPORT_SYMBOL_GPL(ip_set_get_ip4_port); +#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE) bool ip_set_get_ip6_port(const struct sk_buff *skb, bool src, __be16 *port, u8 *proto) { - unsigned int protooff = 0; - int protocol; - unsigned short fragoff; + int protoff; + u8 nexthdr; - protocol = ipv6_find_hdr(skb, &protooff, -1, &fragoff); - if (protocol <= 0 || fragoff) + nexthdr = ipv6_hdr(skb)->nexthdr; + protoff = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr), &nexthdr); + if (protoff < 0) return false; - return get_port(skb, protocol, protooff, src, port, proto); + return get_port(skb, nexthdr, protoff, src, port, proto); } EXPORT_SYMBOL_GPL(ip_set_get_ip6_port); +#endif bool ip_set_get_ip_port(const struct sk_buff *skb, u8 pf, bool src, __be16 *port) |