diff -Nurb linux-2.6.22-510/net/netfilter/xt_MARK.c linux-2.6.22-520/net/netfilter/xt_MARK.c
--- linux-2.6.22-510/net/netfilter/xt_MARK.c 2007-07-08 19:32:17.000000000 -0400
-+++ linux-2.6.22-520/net/netfilter/xt_MARK.c 2008-04-04 13:53:21.000000000 -0400
++++ linux-2.6.22-520/net/netfilter/xt_MARK.c 2008-04-04 17:27:41.000000000 -0400
@@ -5,13 +5,18 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
+ connection_sk = (*pskb)->sk;
+ sock_hold(connection_sk);
+ }
-+ else {
-+ connection_sk = inet_lookup(&tcp_hashinfo, src_ip, src_port, ip, port, dif);
-+ }
++ else
++ connection_sk = inet_lookup_established(&tcp_hashinfo, src_ip, src_port, ip, port, dif);
++
+
+ if (connection_sk) {
-+ bh_lock_sock(connection_sk);
++ if (connection_sk->sk_state == TCP_TIME_WAIT) {
++ inet_twsk_put(inet_twsk(connection_sk));
++ break;
++ }
+ connection_sk->sk_peercred.gid = connection_sk->sk_peercred.uid = ct->xid[dir];
+ ct->xid[!dir]=connection_sk->sk_xid;
+ if (connection_sk->sk_xid != 0)
+ mark = connection_sk->sk_xid;
-+ bh_unlock_sock(connection_sk);
-+ if (connection_sk->sk_state == TCP_TIME_WAIT)
-+ inet_twsk_put(inet_twsk(connection_sk));
-+ else
++ else
+ sock_put(connection_sk);
+ }
+ }