--- linux/include/linux/netfilter_ipv4/listhelp.h.orig	Sat Jul 20 11:46:47 2002
+++ linux/include/linux/netfilter_ipv4/listhelp.h	Sat Jul 20 11:48:17 2002
@@ -54,9 +54,11 @@
 #define LIST_DELETE(head, oldentry)					\
 do {									\
 	ASSERT_WRITE_LOCK(head);					\
-	if (!list_inlist(head, oldentry))				\
+	if (!list_inlist(head, oldentry)) {				\
 		printk("LIST_DELETE: %s:%u `%s'(%p) not in %s.\n",	\
 		       __FILE__, __LINE__, #oldentry, oldentry, #head);	\
+		BUG();							\
+	}								\
         else list_del((struct list_head *)oldentry);			\
 } while(0)
 #else