[src/trunk]: src/sys/net Fix missing mutex_exit in ppp_create().

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

details:   https://anonhg.NetBSD.org/src/rev/8b3c53fce9cd
branches:  trunk
changeset: 838322:8b3c53fce9cd
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Fri Jan 11 02:55:41 2019 +0000

description:
Fix missing mutex_exit in ppp_create().

diffstat:

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

diffs (26 lines):

diff -r 894dce7fc5bc -r 8b3c53fce9cd sys/net/if_ppp.c
--- a/sys/net/if_ppp.c  Fri Jan 11 02:44:49 2019 +0000
+++ b/sys/net/if_ppp.c  Fri Jan 11 02:55:41 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_ppp.c,v 1.161 2018/06/26 06:48:02 msaitoh Exp $     */
+/*     $NetBSD: if_ppp.c,v 1.162 2019/01/11 02:55:41 knakahara Exp $   */
 /*     Id: if_ppp.c,v 1.6 1997/03/04 03:33:00 paulus Exp       */
 
 /*
@@ -102,7 +102,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ppp.c,v 1.161 2018/06/26 06:48:02 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ppp.c,v 1.162 2019/01/11 02:55:41 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "ppp.h"
@@ -301,6 +301,7 @@
                                break;
                        else if (unit == sci->sc_unit) {
                                free(sc, M_DEVBUF);
+                               mutex_exit(&ppp_list_lock);
                                return NULL;
                        }
                }