diff --exclude='*~' -Naur tcpdump-3.8.3.orig/print-bgp.c tcpdump-3.8.3/print-bgp.c
--- tcpdump-3.8.3.orig/print-bgp.c	2005-06-09 18:24:31.000000000 -0300
+++ tcpdump-3.8.3/print-bgp.c	2005-06-09 18:26:18.000000000 -0300
@@ -1648,9 +1648,10 @@
 		while (dat + length > p) {
 			char buf[MAXHOSTNAMELEN + 100];
 			i = decode_prefix4(p, buf, sizeof(buf));
-			if (i == -1)
+			if (i == -1) {
 				printf("\n\t    (illegal prefix length)");
-			else if (i == -2)
+				break;
+			} else if (i == -2)
 				goto trunc;
 			else {
 				printf("\n\t    %s", buf);