Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966920AbcJZMeI (ORCPT ); Wed, 26 Oct 2016 08:34:08 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:55928 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966898AbcJZMeD (ORCPT ); Wed, 26 Oct 2016 08:34:03 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Aurelien Aptel , Steve French Subject: [PATCH 4.4 073/112] fs/cifs: keep guid when assigning fid to fileinfo Date: Wed, 26 Oct 2016 14:22:56 +0200 Message-Id: <20161026122307.876106278@linuxfoundation.org> X-Mailer: git-send-email 2.10.1 In-Reply-To: <20161026122304.797016625@linuxfoundation.org> References: <20161026122304.797016625@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1057 Lines: 34 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Aurelien Aptel commit 94f873717571c759b7928399cbbddfa3d569bd01 upstream. When we open a durable handle we give a Globally Unique Identifier (GUID) to the server which we must keep for later reference e.g. when reopening persistent handles on reconnection. Without this the GUID generated for a new persistent handle was lost and 16 zero bytes were used instead on re-opening. Signed-off-by: Aurelien Aptel Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/cifs/smb2ops.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -536,6 +536,7 @@ smb2_set_fid(struct cifsFileInfo *cfile, server->ops->set_oplock_level(cinode, oplock, fid->epoch, &fid->purge_cache); cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode); + memcpy(cfile->fid.create_guid, fid->create_guid, 16); } static void