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If the bridge is not running, don't call bridge_stop. Otherwise the

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following commands will crash the kernel:

	ifconfig bridge0 create
	ifconfig bridge0 destroy
This commit is contained in:
maxv 2018-01-15 09:49:16 +00:00
parent f0cd174eaf
commit 1de7a25c8c
1 changed files with 4 additions and 3 deletions
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7
sys/net/if_bridge.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_bridge.c,v 1.147 2017/12/28 07:06:36 ozaki-r Exp $ */
/* $NetBSD: if_bridge.c,v 1.148 2018/01/15 09:49:16 maxv Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@ -80,7 +80,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_bridge.c,v 1.147 2017/12/28 07:06:36 ozaki-r Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_bridge.c,v 1.148 2018/01/15 09:49:16 maxv Exp $");
#ifdef _KERNEL_OPT
#include "opt_bridge_ipf.h"
@ -469,7 +469,8 @@ bridge_clone_destroy(struct ifnet *ifp)
struct bridge_softc *sc = ifp->if_softc;
struct bridge_iflist *bif;
bridge_stop(ifp, 1);
if ((ifp->if_flags & IFF_RUNNING) != 0)
bridge_stop(ifp, 1);
BRIDGE_LOCK(sc);
for (;;) {