From mboxrd@z Thu Jan 1 00:00:00 1970 From: Miklos Szeredi Subject: [PATCH 06/16] vfs: do_last(): make ENOENT exit RCU safe Date: Mon, 21 May 2012 17:30:10 +0200 Message-ID: <1337614220-6174-7-git-send-email-miklos@szeredi.hu> References: <1337614220-6174-1-git-send-email-miklos@szeredi.hu> Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, hch@infradead.org, torvalds@linux-foundation.org, mszeredi@suse.cz To: viro@ZenIV.linux.org.uk Return-path: Received: from mail-bk0-f46.google.com ([209.85.214.46]:65374 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753911Ab2EUPaX (ORCPT ); Mon, 21 May 2012 11:30:23 -0400 Received: by mail-bk0-f46.google.com with SMTP id ji2so4088999bkc.19 for ; Mon, 21 May 2012 08:30:22 -0700 (PDT) In-Reply-To: <1337614220-6174-1-git-send-email-miklos@szeredi.hu> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: From: Miklos Szeredi This will allow this code to be used in RCU mode. Signed-off-by: Miklos Szeredi --- fs/namei.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 67bddd6..3f4b286 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2363,8 +2363,10 @@ static struct file *do_last(struct nameidata *nd, struct path *path, BUG_ON(nd->flags & LOOKUP_RCU); inode = path->dentry->d_inode; error = -ENOENT; - if (!inode) - goto exit_dput; + if (!inode) { + path_to_nameidata(path, nd); + goto exit; + } if (should_follow_link(inode, !symlink_ok)) { if (nd->flags & LOOKUP_RCU) { -- 1.7.7