[src/trunk]: src/sys Add assertions

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

details:   https://anonhg.NetBSD.org/src/rev/4ccaf18ca1e2
branches:  trunk
changeset: 321193:4ccaf18ca1e2
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Tue Mar 06 07:20:41 2018 +0000

description:
Add assertions

We must not destroy llentries holding mbufs.

diffstat:

 sys/netinet/in.c   |  6 ++++--
 sys/netinet6/in6.c |  6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diffs (54 lines):

diff -r 99890131cbb1 -r 4ccaf18ca1e2 sys/netinet/in.c
--- a/sys/netinet/in.c  Tue Mar 06 07:19:03 2018 +0000
+++ b/sys/netinet/in.c  Tue Mar 06 07:20:41 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: in.c,v 1.219 2018/02/24 07:37:09 ozaki-r Exp $ */
+/*     $NetBSD: in.c,v 1.220 2018/03/06 07:20:41 ozaki-r Exp $ */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -91,7 +91,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.219 2018/02/24 07:37:09 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.220 2018/03/06 07:20:41 ozaki-r Exp $");
 
 #include "arp.h"
 
@@ -1935,6 +1935,8 @@
 in_lltable_destroy_lle(struct llentry *lle)
 {
 
+       KASSERT(lle->la_numheld == 0);
+
        LLE_WUNLOCK(lle);
        LLE_LOCK_DESTROY(lle);
        kmem_intr_free(lle, sizeof(*lle));
diff -r 99890131cbb1 -r 4ccaf18ca1e2 sys/netinet6/in6.c
--- a/sys/netinet6/in6.c        Tue Mar 06 07:19:03 2018 +0000
+++ b/sys/netinet6/in6.c        Tue Mar 06 07:20:41 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: in6.c,v 1.260 2018/02/24 07:37:09 ozaki-r Exp $        */
+/*     $NetBSD: in6.c,v 1.261 2018/03/06 07:20:41 ozaki-r Exp $        */
 /*     $KAME: in6.c,v 1.198 2001/07/18 09:12:38 itojun Exp $   */
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.260 2018/02/24 07:37:09 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.261 2018/03/06 07:20:41 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -2403,6 +2403,8 @@
 in6_lltable_destroy_lle(struct llentry *lle)
 {
 
+       KASSERT(lle->la_numheld == 0);
+
        LLE_WUNLOCK(lle);
        LLE_LOCK_DESTROY(lle);
        kmem_intr_free(lle, sizeof(struct in6_llentry));