1 files changed, 11 insertions, 1 deletions

diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index f549adccc94c..1bc898b14a80 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -287,7 +287,17 @@ extern unsigned int ip6t_do_table(struct sk_buff *skb,
                                   struct xt_table *table);
 
 /* Check for an extension */
-extern int ip6t_ext_hdr(u8 nexthdr);
+static inline int
+ip6t_ext_hdr(u8 nexthdr)
+{       return (nexthdr == IPPROTO_HOPOPTS) ||
+               (nexthdr == IPPROTO_ROUTING) ||
+               (nexthdr == IPPROTO_FRAGMENT) ||
+               (nexthdr == IPPROTO_ESP) ||
+               (nexthdr == IPPROTO_AH) ||
+               (nexthdr == IPPROTO_NONE) ||
+               (nexthdr == IPPROTO_DSTOPTS);
+}
+
 /* find specified header and get offset to it */
 extern int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
                          int target, unsigned short *fragoff);