[src/trunk]: src/sys/net fix missing mutex_destroy when modunload.

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

details:   https://anonhg.NetBSD.org/src/rev/037103bb2fae
branches:  trunk
changeset: 352479:037103bb2fae
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Mon Apr 03 10:17:17 2017 +0000

description:
fix missing mutex_destroy when modunload.

pointed out by s-yamaguchi@IIJ, thanks.

diffstat:

 sys/net/if_l2tp.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 809455420d83 -r 037103bb2fae sys/net/if_l2tp.c
--- a/sys/net/if_l2tp.c Mon Apr 03 10:08:24 2017 +0000
+++ b/sys/net/if_l2tp.c Mon Apr 03 10:17:17 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_l2tp.c,v 1.3 2017/04/03 10:08:24 knakahara Exp $    */
+/*     $NetBSD: if_l2tp.c,v 1.4 2017/04/03 10:17:17 knakahara Exp $    */
 
 /*
  * Copyright (c) 2017 Internet Initiative Japan Inc.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_l2tp.c,v 1.3 2017/04/03 10:08:24 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_l2tp.c,v 1.4 2017/04/03 10:17:17 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -218,6 +218,8 @@
        pserialize_destroy(l2tp_psz);
        mutex_destroy(&l2tp_hash.lock);
 
+       mutex_destroy(&l2tp_softcs.lock);
+
        return error;
 }