Author: kib
Date: Tue Nov  1 15:56:15 2011
New Revision: 226993
URL: http://svn.freebsd.org/changeset/base/226993

Log:
  MFC r226688:
  The use of VOP_ISLOCKED() without a check for the return values can cause
  false positives. Replace the #ifdef block with the proper
  ASSERT_VOP_UNLOCKED() assert.

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 15:53:44 2011        
(r226992)
+++ stable/8/sys/fs/nullfs/null_vfsops.c        Tue Nov  1 15:56:15 2011        
(r226993)
@@ -242,10 +242,7 @@ nullfs_root(mp, flags, vpp)
        vp = MOUNTTONULLMOUNT(mp)->nullm_rootvp;
        VREF(vp);
 
-#ifdef NULLFS_DEBUG
-       if (VOP_ISLOCKED(vp))
-               panic("root vnode is locked.\n");
-#endif
+       ASSERT_VOP_UNLOCKED(vp, "root vnode is locked");
        vn_lock(vp, flags | LK_RETRY);
        *vpp = vp;
        return 0;
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