From: itojun <itojun@openbsd.org>
Date: Thu, 13 Apr 2000 14:34:10 +0000 (+0000)
Subject: bark if sdl_alen == 0.  test code for KAME PR 235.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=b4ee66fc2bf7d1c35a2b51f0cc17aedc950e33c4;p=openbsd

bark if sdl_alen == 0.  test code for KAME PR 235.
---

diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index c2def8c65ea..e1e60e61194 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: nd6.c,v 1.8 2000/04/13 14:11:17 itojun Exp $	*/
+/*	$OpenBSD: nd6.c,v 1.9 2000/04/13 14:34:10 itojun Exp $	*/
 /*	$KAME: nd6.c,v 1.41 2000/02/24 16:34:50 itojun Exp $	*/
 
 /*
@@ -1858,8 +1858,11 @@ nd6_storelladdr(ifp, rt, m, dst, desten)
 		return(0);
 	}
 	sdl = SDL(rt->rt_gateway);
-	if (sdl->sdl_alen != 0)
-		bcopy(LLADDR(sdl), desten, sdl->sdl_alen);
+	if (sdl->sdl_alen == 0) {
+		printf("nd6_storelladdr: sdl_alen == 0\n");
+		return(0);
+	}
 
+	bcopy(LLADDR(sdl), desten, sdl->sdl_alen);
 	return(1);
 }