Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Acked-by: Josef Sipek <jsipek@fsl.cs.sunysb.edu>
---
 fs/unionfs/dentry.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/fs/unionfs/dentry.c b/fs/unionfs/dentry.c
index 91f9780..9e0742d 100644
--- a/fs/unionfs/dentry.c
+++ b/fs/unionfs/dentry.c
@@ -418,7 +418,8 @@ static int unionfs_d_revalidate(struct dentry *dentry, struct nameidata *nd)
 	unionfs_lock_dentry(dentry);
 	err = __unionfs_d_revalidate_chain(dentry, nd, false);
 	unionfs_unlock_dentry(dentry);
-	unionfs_check_dentry(dentry);
+	if (err > 0) /* true==1: dentry is valid */
+		unionfs_check_dentry(dentry);
 
 	unionfs_read_unlock(dentry->d_sb);
 
-- 
1.5.2.2

-
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