From 804d8827fac602d12b428734bd03462a30122637 Mon Sep 17 00:00:00 2001
From: itojun <itojun@openbsd.org>
Date: Thu, 13 Apr 2000 14:11:17 +0000
Subject: [PATCH] even if nd6_nud_hint is called, do not change a neighbor's
 status unless the old status is probably reachable (i.e. the link-layer
 address has already been resolved). KAME PR 235.

---
 sys/netinet6/nd6.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index c2dc4952c7f..c2def8c65ea 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: nd6.c,v 1.7 2000/02/28 11:55:22 itojun Exp $	*/
+/*	$OpenBSD: nd6.c,v 1.8 2000/04/13 14:11:17 itojun Exp $	*/
 /*	$KAME: nd6.c,v 1.41 2000/02/24 16:34:50 itojun Exp $	*/
 
 /*
@@ -872,7 +872,7 @@ nd6_nud_hint(rt, dst6)
 	}
 
 	ln = (struct llinfo_nd6 *)rt->rt_llinfo;
-	if (ln->ln_state == ND6_LLINFO_INCOMPLETE)
+	if (ln->ln_state < ND6_LLINFO_REACHABLE)
 		return;
 
 	ln->ln_state = ND6_LLINFO_REACHABLE;
-- 
2.20.1