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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 1 Nov 2011 15:53:44 +0000 (UTC)
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Subject: svn commit: r226992 - stable/8/sys/fs/nullfs
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Author: kib
Date: Tue Nov  1 15:53:44 2011
New Revision: 226992
URL: http://svn.freebsd.org/changeset/base/226992

Log:
  MFC r226687:
  The only possible error return from null_nodeget() is due to insmntque1
  failure (the getnewvnode cannot return an error). In this case, the
  null_insmntque_dtr() already unlocked the reclaimed vnode, so VOP_UNLOCK()
  in the nullfs_mount() after null_nodeget() failure is wrong.

Modified:
  stable/8/sys/fs/nullfs/null_vfsops.c
Directory Properties:
  stable/8/sys/   (props changed)

Modified: stable/8/sys/fs/nullfs/null_vfsops.c
==============================================================================
--- stable/8/sys/fs/nullfs/null_vfsops.c	Tue Nov  1 15:51:09 2011	(r226991)
+++ stable/8/sys/fs/nullfs/null_vfsops.c	Tue Nov  1 15:53:44 2011	(r226992)
@@ -157,7 +157,6 @@ nullfs_mount(struct mount *mp)
 	 * Make sure the node alias worked
 	 */
 	if (error) {
-		VOP_UNLOCK(vp, 0);
 		vrele(lowerrootvp);
 		free(xmp, M_NULLFSMNT);	/* XXX */
 		return (error);