From mboxrd@z Thu Jan 1 00:00:00 1970 From: Erez Zadok Subject: [PATCH 4/6] Unionfs: check integrity only if validated dentry successfully Date: Wed, 19 Sep 2007 17:24:38 -0400 Message-ID: <11902370833942-git-send-email-ezk@cs.sunysb.edu> References: <1190237080683-git-send-email-ezk@cs.sunysb.edu> Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, viro@ftp.linux.org.uk, hch@infradead.org, Erez Zadok To: akpm@linux-foundation.org Return-path: Received: from filer.fsl.cs.sunysb.edu ([130.245.126.2]:52805 "EHLO filer.fsl.cs.sunysb.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752346AbXISVZD (ORCPT ); Wed, 19 Sep 2007 17:25:03 -0400 In-Reply-To: <1190237080683-git-send-email-ezk@cs.sunysb.edu> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Signed-off-by: Erez Zadok Acked-by: Josef Sipek --- 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