[src/trunk]: src/sys/net Fix the position of IFADDR_ENTRY_DESTROY

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

details:   https://anonhg.NetBSD.org/src/rev/26e6e1d35327
branches:  trunk
changeset: 818736:26e6e1d35327
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Fri Oct 28 05:52:05 2016 +0000

description:
Fix the position of IFADDR_ENTRY_DESTROY

It must be called after all readers left, i.e, after pserialize_perform.

diffstat:

 sys/net/if.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (34 lines):

diff -r 1d42a730a8ec -r 26e6e1d35327 sys/net/if.c
--- a/sys/net/if.c      Fri Oct 28 05:50:18 2016 +0000
+++ b/sys/net/if.c      Fri Oct 28 05:52:05 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if.c,v 1.359 2016/10/18 07:30:30 ozaki-r Exp $ */
+/*     $NetBSD: if.c,v 1.360 2016/10/28 05:52:05 ozaki-r Exp $ */
 
 /*-
  * Copyright (c) 1999, 2000, 2001, 2008 The NetBSD Foundation, Inc.
@@ -90,7 +90,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.359 2016/10/18 07:30:30 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.360 2016/10/28 05:52:05 ozaki-r Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_inet.h"
@@ -1621,7 +1621,6 @@
        IFNET_LOCK();
        TAILQ_REMOVE(&ifp->if_addrlist, ifa, ifa_list);
        IFADDR_WRITER_REMOVE(ifa);
-       IFADDR_ENTRY_DESTROY(ifa);
 #ifdef NET_MPSAFE
        pserialize_perform(ifnet_psz);
 #endif
@@ -1630,6 +1629,7 @@
 #ifdef NET_MPSAFE
        psref_target_destroy(&ifa->ifa_psref, ifa_psref_class);
 #endif
+       IFADDR_ENTRY_DESTROY(ifa);
        ifafree(ifa);
 }