--- a/net/ipv4/netfilter/ip_nat_helper.c	2006-09-03 16:41:53.000000000 +0200
+++ b/net/ipv4/netfilter/ip_nat_helper.c	2006-09-03 16:42:04.000000000 +0200
@@ -522,13 +522,7 @@
 static int
 kill_helper(const struct ip_conntrack *i, void *helper)
 {
-	int ret;
-
-	READ_LOCK(&ip_nat_lock);
-	ret = (i->nat.info.helper == helper);
-	READ_UNLOCK(&ip_nat_lock);
-
-	return ret;
+	return (i->nat.info.helper == helper);
 }
 
 void ip_nat_helper_unregister(struct ip_nat_helper *me)