Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755159Ab2EUPdc (ORCPT ); Mon, 21 May 2012 11:33:32 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:60065 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753908Ab2EUPaX (ORCPT ); Mon, 21 May 2012 11:30:23 -0400 From: Miklos Szeredi To: viro@ZenIV.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, hch@infradead.org, torvalds@linux-foundation.org, mszeredi@suse.cz 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> X-Mailer: git-send-email 1.7.7 In-Reply-To: <1337614220-6174-1-git-send-email-miklos@szeredi.hu> References: <1337614220-6174-1-git-send-email-miklos@szeredi.hu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 939 Lines: 34 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/