[src/trunk]: src/sys/net fix ipsec(4) encap_lock leak.

[knakahara <knakahara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/168bffdcde97
branches:  trunk
changeset: 360904:168bffdcde97
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Fri Apr 06 09:24:13 2018 +0000

description:
fix ipsec(4) encap_lock leak.

XXX pullup-8

diffstat:

 sys/net/if_ipsec.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r 2d90c5239afa -r 168bffdcde97 sys/net/if_ipsec.c
--- a/sys/net/if_ipsec.c        Fri Apr 06 09:23:36 2018 +0000
+++ b/sys/net/if_ipsec.c        Fri Apr 06 09:24:13 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_ipsec.c,v 1.7 2018/03/13 02:12:05 knakahara Exp $  */
+/*     $NetBSD: if_ipsec.c,v 1.8 2018/04/06 09:24:13 knakahara Exp $  */
 
 /*
  * Copyright (c) 2017 Internet Initiative Japan Inc.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ipsec.c,v 1.7 2018/03/13 02:12:05 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ipsec.c,v 1.8 2018/04/06 09:24:13 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1166,6 +1166,7 @@
        if (if_ipsec_variant_is_unconfigured(ovar)) {
                /* nothing to do */
                mutex_exit(&sc->ipsec_lock);
+               encap_lock_exit();
                return 0;
        }