From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-gg0-f174.google.com ([209.85.161.174]:59451 "EHLO mail-gg0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755004Ab2J0MeH (ORCPT ); Sat, 27 Oct 2012 08:34:07 -0400 Received: by mail-gg0-f174.google.com with SMTP id k5so690906ggd.19 for ; Sat, 27 Oct 2012 05:34:06 -0700 (PDT) From: Jeff Layton To: viro@zeniv.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, michael.brantley@deshaw.com, hch@infradead.org, miklos@szeredi.hu, pstaubach@exagrid.com Subject: [PATCH v8 09/32] vfs: add a reval argument to user_path_parent Date: Sat, 27 Oct 2012 08:33:16 -0400 Message-Id: <1351341219-17837-10-git-send-email-jlayton@redhat.com> In-Reply-To: <1351341219-17837-1-git-send-email-jlayton@redhat.com> References: <1351341219-17837-1-git-send-email-jlayton@redhat.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: ...so we can tell it when to set LOOKUP_REVAL. Signed-off-by: Jeff Layton --- fs/namei.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index d542a19..47b6016 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2184,15 +2184,20 @@ int user_path_at(int dfd, const char __user *name, unsigned flags, * path-walking is complete. */ static struct filename * -user_path_parent(int dfd, const char __user *path, struct nameidata *nd) +user_path_parent(int dfd, const char __user *path, struct nameidata *nd, + unsigned int reval) { struct filename *s = getname(path); int error; + unsigned int flags = LOOKUP_PARENT; + + if (reval) + flags |= LOOKUP_REVAL; if (IS_ERR(s)) return s; - error = filename_lookup(dfd, s, LOOKUP_PARENT, nd); + error = filename_lookup(dfd, s, flags, nd); if (error) { putname(s); return ERR_PTR(error); @@ -3340,7 +3345,7 @@ static long do_rmdir(int dfd, const char __user *pathname) struct dentry *dentry; struct nameidata nd; - name = user_path_parent(dfd, pathname, &nd); + name = user_path_parent(dfd, pathname, &nd, 0); if (IS_ERR(name)) return PTR_ERR(name); @@ -3436,7 +3441,7 @@ static long do_unlinkat(int dfd, const char __user *pathname) struct nameidata nd; struct inode *inode = NULL; - name = user_path_parent(dfd, pathname, &nd); + name = user_path_parent(dfd, pathname, &nd, 0); if (IS_ERR(name)) return PTR_ERR(name); @@ -3831,13 +3836,13 @@ SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname, struct filename *to; int error; - from = user_path_parent(olddfd, oldname, &oldnd); + from = user_path_parent(olddfd, oldname, &oldnd, 0); if (IS_ERR(from)) { error = PTR_ERR(from); goto exit; } - to = user_path_parent(newdfd, newname, &newnd); + to = user_path_parent(newdfd, newname, &newnd, 0); if (IS_ERR(to)) { error = PTR_ERR(to); goto exit1; -- 1.7.11.7