[src/trunk]: src/sys/netinet6 Use KASSERT to check programming errors

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/dab9575bc40c
branches:  trunk
changeset: 340374:dab9575bc40c
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Wed Sep 02 08:03:10 2015 +0000

description:
Use KASSERT to check programming errors

diffstat:

 sys/netinet6/nd6.c |  13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

diffs (34 lines):

diff -r c11f34282ef9 -r dab9575bc40c sys/netinet6/nd6.c
--- a/sys/netinet6/nd6.c        Wed Sep 02 05:09:25 2015 +0000
+++ b/sys/netinet6/nd6.c        Wed Sep 02 08:03:10 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nd6.c,v 1.172 2015/09/01 08:52:02 ozaki-r Exp $        */
+/*     $NetBSD: nd6.c,v 1.173 2015/09/02 08:03:10 ozaki-r Exp $        */
 /*     $KAME: nd6.c,v 1.279 2002/06/08 11:16:51 itojun Exp $   */
 
 /*
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.172 2015/09/01 08:52:02 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.173 2015/09/02 08:03:10 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -451,10 +451,11 @@
                return;
        }
 
-       if ((rt = ln->ln_rt) == NULL)
-               panic("ln->ln_rt == NULL");
-       if ((ifp = rt->rt_ifp) == NULL)
-               panic("ln->ln_rt->rt_ifp == NULL");
+       rt = ln->ln_rt;
+       KASSERT(rt != NULL);
+       ifp = rt->rt_ifp;
+       KASSERT(ifp != NULL);
+
        ndi = ND_IFINFO(ifp);
        dst = satocsin6(rt_getkey(rt));