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, Aurelien Aptel , Steve French Subject: [PATCH 4.8 093/140] fs/cifs: keep guid when assigning fid to fileinfo Date: Wed, 26 Oct 2016 14:22:33 +0200 Message-Id: <20161026122224.361085753@linuxfoundation.org> In-Reply-To: <20161026122220.384323763@linuxfoundation.org> References: <20161026122220.384323763@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.8-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 @@ -541,6 +541,7 @@ 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