From patchwork Sat Sep 14 15:35:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 1162348 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 46VxWW6P6sz9s7T for ; Sun, 15 Sep 2019 01:39:19 +1000 (AEST) Received: from localhost ([::1]:50754 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i9A8r-0000Mi-8e for incoming@patchwork.ozlabs.org; Sat, 14 Sep 2019 11:39:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54423) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i9A5E-000530-7R for qemu-devel@nongnu.org; Sat, 14 Sep 2019 11:35:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i9A5B-0004zI-4C for qemu-devel@nongnu.org; Sat, 14 Sep 2019 11:35:32 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51104) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i9A5A-0004tp-8d for qemu-devel@nongnu.org; Sat, 14 Sep 2019 11:35:28 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F00AC30860C8; Sat, 14 Sep 2019 15:35:15 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-117-142.ams2.redhat.com [10.36.117.142]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8CC3F62A66; Sat, 14 Sep 2019 15:35:13 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id BF9FA1133071; Sat, 14 Sep 2019 17:35:06 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Date: Sat, 14 Sep 2019 17:35:04 +0200 Message-Id: <20190914153506.2151-18-armbru@redhat.com> In-Reply-To: <20190914153506.2151-1-armbru@redhat.com> References: <20190914153506.2151-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.44]); Sat, 14 Sep 2019 15:35:16 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 17/19] qapi: Fix to .check() empty structs just once X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marcandre.lureau@redhat.com, mdroth@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" QAPISchemaObjectType.check() does nothing for types that have been checked already. Except the "has been checked" predicate is broken for empty types: self.members is [] then, which isn't true. The bug is harmless, but fix it anyway: use self.member is not None instead. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake --- scripts/qapi/common.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py index 7e79c42b6a..e2c87d1349 100644 --- a/scripts/qapi/common.py +++ b/scripts/qapi/common.py @@ -1406,7 +1406,7 @@ class QAPISchemaObjectType(QAPISchemaType): if self.members is False: # check for cycles raise QAPISemError(self.info, "Object %s contains itself" % self.name) - if self.members: + if self.members is not None: # already checked return self.members = False # mark as being checked seen = OrderedDict()