From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: [patch 7/7] namei.c: update mnt when it is needed Date: Tue, 27 Apr 2010 14:24:01 -0700 Message-ID: <201004272124.o3RLO1Uw020912@imap1.linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Cc: linux-fsdevel@vger.kernel.org, akpm@linux-foundation.org, shijie8@gmail.com, xiyou.wangcong@gmail.com To: viro@zeniv.linux.org.uk Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:41470 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757054Ab0D0VYV (ORCPT ); Tue, 27 Apr 2010 17:24:21 -0400 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: From: Huang Shijie Update the mnt of the path when it is not equal to the new one. Signed-off-by: Huang Shijie Reviewed-by: WANG Cong Cc: Al Viro Signed-off-by: Andrew Morton --- fs/namei.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff -puN fs/namei.c~nameic-update-mnt-when-it-needed fs/namei.c --- a/fs/namei.c~nameic-update-mnt-when-it-needed +++ a/fs/namei.c @@ -523,9 +523,10 @@ static void path_put_conditional(struct static inline void path_to_nameidata(struct path *path, struct nameidata *nd) { dput(nd->path.dentry); - if (nd->path.mnt != path->mnt) + if (nd->path.mnt != path->mnt) { mntput(nd->path.mnt); - nd->path.mnt = path->mnt; + nd->path.mnt = path->mnt; + } nd->path.dentry = path->dentry; } _