[src/trunk]: src/sys/net Add missing pserialize_read_exit

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

details:   https://anonhg.NetBSD.org/src/rev/c8b44b37f888
branches:  trunk
changeset: 352081:c8b44b37f888
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Tue Mar 14 09:39:28 2017 +0000

description:
Add missing pserialize_read_exit

Pointed out by riastradh@

diffstat:

 sys/net/rtsock.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 063fe124e7ac -r c8b44b37f888 sys/net/rtsock.c
--- a/sys/net/rtsock.c  Tue Mar 14 09:22:37 2017 +0000
+++ b/sys/net/rtsock.c  Tue Mar 14 09:39:28 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rtsock.c,v 1.207 2017/03/14 09:03:08 ozaki-r Exp $     */
+/*     $NetBSD: rtsock.c,v 1.208 2017/03/14 09:39:28 ozaki-r Exp $     */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rtsock.c,v 1.207 2017/03/14 09:03:08 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rtsock.c,v 1.208 2017/03/14 09:39:28 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1711,8 +1711,10 @@
 
                        _s = pserialize_read_enter();
                        ifa_release(ifa, &_psref);
-                       if (error != 0)
+                       if (error != 0) {
+                               pserialize_read_exit(_s);
                                goto release_exit;
+                       }
                }
                pserialize_read_exit(_s);
                info.rti_info[RTAX_IFA] = info.rti_info[RTAX_NETMASK] =