cifs: remove rfc1002 header from smb2_logoff_req

	int rc = 0;

	struct TCP_Server_Info *server;

	int flags = 0;

	unsigned int total_len;

	struct kvec iov[1];

	struct kvec rsp_iov;

	int resp_buf_type;

	cifs_dbg(FYI, "disconnect session %p\n", ses);

	if (ses->need_reconnect)

		goto smb2_session_already_dead;

	rc = small_smb2_init(SMB2_LOGOFF, NULL, (void **) &req);

	rc = smb2_plain_req_init(SMB2_LOGOFF, NULL, (void **) &req, &total_len);

	if (rc)

		return rc;

	 /* since no tcon, smb2_init can not do this, so do here */

	req->hdr.sync_hdr.SessionId = ses->Suid;

	req->sync_hdr.SessionId = ses->Suid;

	if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA)

		flags |= CIFS_TRANSFORM_REQ;

	else if (server->sign)

		req->hdr.sync_hdr.Flags |= SMB2_FLAGS_SIGNED;

		req->sync_hdr.Flags |= SMB2_FLAGS_SIGNED;

	rc = SendReceiveNoRsp(xid, ses, (char *) req, flags);

	flags |= CIFS_NO_RESP;

	iov[0].iov_base = (char *)req;

	iov[0].iov_len = total_len;

	rc = smb2_send_recv(xid, ses, iov, 1, &resp_buf_type, flags, &rsp_iov);

	cifs_small_buf_release(req);

	/*

	 * No tcon so can't do

} __packed;

struct smb2_logoff_req {

	struct smb2_hdr hdr;

	struct smb2_sync_hdr sync_hdr;

	__le16 StructureSize;	/* Must be 4 */

	__le16 Reserved;

} __packed;