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Date:	Wed, 19 Sep 2007 17:24:38 -0400
From:	Erez Zadok <ezk@...sunysb.edu>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	viro@....linux.org.uk, hch@...radead.org,
	Erez Zadok <ezk@...sunysb.edu>
Subject: [PATCH 4/6] Unionfs: check integrity only if validated dentry successfully

Signed-off-by: Erez Zadok <ezk@...sunysb.edu>
Acked-by: Josef Sipek <jsipek@....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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