From 7f0e3e8df1a47581ec20d3554c6edcd010d4766d Mon Sep 17 00:00:00 2001
From: krw <krw@openbsd.org>
Date: Wed, 3 Aug 2016 23:22:48 +0000
Subject: [PATCH] Apply fix from David Binderman via NetBSD. "Use all 3 of b,
 p, n to determine if route changed".

Spotted by the Echelon team with AppChecker static analyzer.

NetBSD fix pointed out by millert@
---
 usr.sbin/mtrace/mtrace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/usr.sbin/mtrace/mtrace.c b/usr.sbin/mtrace/mtrace.c
index fa7141bbbd0..7f2c52ea038 100644
--- a/usr.sbin/mtrace/mtrace.c
+++ b/usr.sbin/mtrace/mtrace.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mtrace.c,v 1.35 2016/03/07 00:16:35 mmcc Exp $	*/
+/*	$OpenBSD: mtrace.c,v 1.36 2016/08/03 23:22:48 krw Exp $	*/
 /*	$NetBSD: mtrace.c,v 1.5 1995/12/10 10:57:15 mycroft Exp $	*/
 
 /*
@@ -1057,7 +1057,7 @@ print_stats(struct resp_buf *base, struct resp_buf *prev, struct resp_buf *new)
     }
 
     while (TRUE) {
-	if ((n->tr_inaddr != b->tr_inaddr) || (n->tr_inaddr != b->tr_inaddr))
+	if ((n->tr_inaddr != b->tr_inaddr) || (p->tr_inaddr != b->tr_inaddr))
 	  return 1;		/* Route changed */
 
 	if ((n->tr_inaddr != n->tr_outaddr))
-- 
2.20.1