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msdosfs_sync: check for dead vnode (denode == NULL) before testing denode flags.

This commit is contained in:
hannken 2010-12-14 17:17:02 +00:00
parent 9c53985f97
commit 355e0e74e8
1 changed files with 3 additions and 3 deletions
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6
sys/fs/msdosfs/msdosfs_vfsops.c
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@ -1,4 +1,4 @@
/* $NetBSD: msdosfs_vfsops.c,v 1.87 2010/07/21 17:52:10 hannken Exp $ */
/* $NetBSD: msdosfs_vfsops.c,v 1.88 2010/12/14 17:17:02 hannken Exp $ */
/*-
* Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@ -48,7 +48,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.87 2010/07/21 17:52:10 hannken Exp $");
__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.88 2010/12/14 17:17:02 hannken Exp $");
#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
@ -977,7 +977,7 @@ loop:
mutex_enter(&vp->v_interlock);
dep = VTODE(vp);
if (waitfor == MNT_LAZY || vp->v_type == VNON ||
(((dep->de_flag &
dep == NULL || (((dep->de_flag &
(DE_ACCESS | DE_CREATE | DE_UPDATE | DE_MODIFIED)) == 0) &&
(LIST_EMPTY(&vp->v_dirtyblkhd) &&
UVM_OBJ_IS_CLEAN(&vp->v_uobj)))) {