diff -urN linux-2.4.26-rc1/net/ipv6/exthdrs.c linux-2.4.26-rc1-skb/net/ipv6/exthdrs.c
--- linux-2.4.26-rc1/net/ipv6/exthdrs.c	Sat Mar 20 10:08:21 2004
+++ linux-2.4.26-rc1-skb/net/ipv6/exthdrs.c	Sun Mar 28 22:07:21 2004
@@ -783,7 +783,7 @@
  * --ANK (980726)
  */
 
-int ipv6_skip_exthdr(struct sk_buff *skb, int start, u8 *nexthdrp, int len)
+int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp, int len)
 {
 	u8 nexthdr = *nexthdrp;
 

diff -urN linux-2.4.26-rc1/include/net/ipv6.h linux-2.4.26-rc1-ipv6/include/net/ipv6.h
--- linux-2.4.26-rc1/include/net/ipv6.h	Mon Mar 29 00:18:38 2004
+++ linux-2.4.26-rc1-ipv6/include/net/ipv6.h	Mon Mar 29 00:36:39 2004
@@ -321,8 +321,8 @@
 						    struct ipv6_txoptions *opt,
 						    u8 *proto);
 
-extern int			ipv6_skip_exthdr(struct sk_buff *, int start,
-					         u8 *nexthdrp, int len);
+extern int			ipv6_skip_exthdr(const struct sk_buff *,
+					int start, u8 *nexthdrp, int len);
 
 extern int 			ipv6_ext_hdr(u8 nexthdr);