===== net/ipv4/netfilter/ip_nat_helper.c 1.11 vs edited =====
--- 1.11/net/ipv4/netfilter/ip_nat_helper.c	Mon Oct 13 21:40:48 2003
+++ edited/net/ipv4/netfilter/ip_nat_helper.c	Thu Nov 20 12:48:17 2003
@@ -469,10 +469,13 @@
 	int ret = 0;
 
 	if (me->me && !(me->flags & IP_NAT_HELPER_F_STANDALONE)) {
-		struct ip_conntrack_helper *ct_helper;
+		struct ip_conntrack_helper *ct_helper = NULL;
 		
-		if ((ct_helper = ip_ct_find_helper(&me->tuple))
-		    && ct_helper->me) {
+		READ_LOCK(&ip_conntrack_lock);
+		ct_helper = ip_ct_find_helper(&me->tuple);
+		READ_UNLOCK(&ip_conntrack_lock);
+
+		if (ct_helper && ct_helper->me) {
 			__MOD_INC_USE_COUNT(ct_helper->me);
 		} else {