diff -urN openswan-2.4.7.old/linux/net/ipsec/pfkey_v2.c openswan-2.4.7/linux/net/ipsec/pfkey_v2.c
--- openswan-2.4.7.old/linux/net/ipsec/pfkey_v2.c	2007-01-03 11:11:04.645909731 +0000
+++ openswan-2.4.7/linux/net/ipsec/pfkey_v2.c	2007-01-03 11:14:54.482143945 +0000
@@ -119,7 +119,9 @@
 #ifdef NETDEV_23
 	.family	= PF_KEY,
 	.create = pfkey_create,
+#ifdef NET_26
 	.owner  = THIS_MODULE,
+#endif
 #else
 	PF_KEY,
 	pfkey_create
@@ -129,7 +131,9 @@
 struct proto_ops SOCKOPS_WRAPPED(pfkey_ops) = {
 #ifdef NETDEV_23
 	family:		PF_KEY,
+#ifdef NET_26
 	owner:		THIS_MODULE,
+#endif
 	release:	pfkey_release,
 	bind:		sock_no_bind,
 	connect:	sock_no_connect,
@@ -1559,6 +1563,9 @@
 
 /*
  * $Log: pfkey_v2.c,v $
+ * Revision 1.97.2.11  2006/11/15 16:05:57  paul
+ * fix for compiling on 2.4. kernels by Matthias Haas.
+ *
  * Revision 1.97.2.10  2006/10/10 20:43:28  paul
  * Add family/create/owner for pfkey_family_ops. This fixes bug #671
  *