From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sachin Prabhu , Aurelien Aptel , Steve French Subject: [PATCH 4.4 080/112] Fix regression which breaks DFS mounting Date: Wed, 26 Oct 2016 14:23:03 +0200 Message-Id: <20161026122308.156896006@linuxfoundation.org> In-Reply-To: <20161026122304.797016625@linuxfoundation.org> References: <20161026122304.797016625@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sachin Prabhu commit d171356ff11ab1825e456dfb979755e01b3c54a1 upstream. Patch a6b5058 results in -EREMOTE returned by is_path_accessible() in cifs_mount() to be ignored which breaks DFS mounting. Signed-off-by: Sachin Prabhu Reviewed-by: Aurelien Aptel Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/cifs/connect.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3693,14 +3693,16 @@ remote_path_check: goto mount_fail_check; } - rc = cifs_are_all_path_components_accessible(server, + if (rc != -EREMOTE) { + rc = cifs_are_all_path_components_accessible(server, xid, tcon, cifs_sb, full_path); - if (rc != 0) { - cifs_dbg(VFS, "cannot query dirs between root and final path, " - "enabling CIFS_MOUNT_USE_PREFIX_PATH\n"); - cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH; - rc = 0; + if (rc != 0) { + cifs_dbg(VFS, "cannot query dirs between root and final path, " + "enabling CIFS_MOUNT_USE_PREFIX_PATH\n"); + cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH; + rc = 0; + } } kfree(full_path); }