[src/nick-nhusb]: src/sys/dev/usb Destroy the mutex on detach

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

details:   https://anonhg.NetBSD.org/src/rev/9312e18b0778
branches:  nick-nhusb
changeset: 804502:9312e18b0778
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sat Jan 02 16:14:46 2016 +0000

description:
Destroy the mutex on detach

diffstat:

 sys/dev/usb/uhub.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 67d052b2c18f -r 9312e18b0778 sys/dev/usb/uhub.c
--- a/sys/dev/usb/uhub.c        Sat Jan 02 14:14:45 2016 +0000
+++ b/sys/dev/usb/uhub.c        Sat Jan 02 16:14:46 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uhub.c,v 1.126.2.19 2016/01/02 14:14:45 skrll Exp $    */
+/*     $NetBSD: uhub.c,v 1.126.2.20 2016/01/02 16:14:46 skrll Exp $    */
 /*     $FreeBSD: src/sys/dev/usb/uhub.c,v 1.18 1999/11/17 22:33:43 n_hibma Exp $       */
 /*     $OpenBSD: uhub.c,v 1.86 2015/06/29 18:27:40 mpi Exp $ */
 
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uhub.c,v 1.126.2.19 2016/01/02 14:14:45 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uhub.c,v 1.126.2.20 2016/01/02 16:14:46 skrll Exp $");
 
 #include <sys/param.h>
 
@@ -854,6 +854,8 @@
        if (sc->sc_statusbuf)
                kmem_free(sc->sc_statusbuf, sc->sc_statuslen);
 
+       mutex_destroy(&sc->sc_lock);
+
        /* XXXSMP usb */
        KERNEL_UNLOCK_ONE(curlwp);