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Destroy ifq_lock at the end of if_detach 

It still can be used in if_detach.
This commit is contained in:
ozaki-r 2018-01-30 10:40:02 +00:00
parent 2e5c0cccf8
commit ad8c8ec2d4
1 changed files with 3 additions and 4 deletions
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7
sys/net/if.c
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@ -1,4 +1,4 @@
/* $NetBSD: if.c,v 1.418 2018/01/10 01:22:26 ozaki-r Exp $ */
/* $NetBSD: if.c,v 1.419 2018/01/30 10:40:02 ozaki-r Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2008 The NetBSD Foundation, Inc.
@ -90,7 +90,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.418 2018/01/10 01:22:26 ozaki-r Exp $");
__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.419 2018/01/30 10:40:02 ozaki-r Exp $");
#if defined(_KERNEL_OPT)
#include "opt_inet.h"
@ -1337,8 +1337,6 @@ if_detach(struct ifnet *ifp)
altq_detach(&ifp->if_snd);
#endif
mutex_obj_free(ifp->if_snd.ifq_lock);
#if NCARP > 0
/* Remove the interface from any carp group it is a part of. */
if (ifp->if_carp != NULL && ifp->if_type != IFT_CARP)
@ -1501,6 +1499,7 @@ again:
mutex_obj_free(ifp->if_ioctl_lock);
ifp->if_ioctl_lock = NULL;
mutex_obj_free(ifp->if_snd.ifq_lock);
splx(s);