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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Wed, 10 Jun 2009 15:48:34 +0000 (UTC)
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Subject: svn commit: r193930 - head/sys/fs/cd9660
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Author: kib
Date: Wed Jun 10 15:48:34 2009
New Revision: 193930
URL: http://svn.freebsd.org/changeset/base/193930

Log:
  For cd9660_ioctl, check for recycled vnode after locking it.
  
  Noted by:	Jaakko Heinonen <jh saunalahti fi>
  MFC after:	2 weeks

Modified:
  head/sys/fs/cd9660/cd9660_vnops.c

Modified: head/sys/fs/cd9660/cd9660_vnops.c
==============================================================================
--- head/sys/fs/cd9660/cd9660_vnops.c	Wed Jun 10 15:26:35 2009	(r193929)
+++ head/sys/fs/cd9660/cd9660_vnops.c	Wed Jun 10 15:48:34 2009	(r193930)
@@ -257,6 +257,10 @@ cd9660_ioctl(ap)
 
 	vp = ap->a_vp;
 	vn_lock(vp, LK_SHARED | LK_RETRY);
+	if (vp->v_iflag & VI_DOOMED) {
+		VOP_UNLOCK(vp, 0);
+		return (EBADF);
+	}
 	if (vp->v_type == VCHR || vp->v_type == VBLK) {
 		VOP_UNLOCK(vp, 0);
 		return (EOPNOTSUPP);