From patchwork Sat Jun 10 06:57:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Michael Tokarev X-Patchwork-Id: 1793282 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) 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=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QdTNZ5fn0z20Vx for ; Sat, 10 Jun 2023 17:00:14 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q7sYi-0002mN-4q; Sat, 10 Jun 2023 02:58:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q7sYF-0002lP-OS; Sat, 10 Jun 2023 02:58:20 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q7sYE-0005wv-AH; Sat, 10 Jun 2023 02:58:19 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 11BC4BE29; Sat, 10 Jun 2023 09:58:01 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 9B253B296; Sat, 10 Jun 2023 09:58:00 +0300 (MSK) Received: (nullmailer pid 1107520 invoked by uid 1000); Sat, 10 Jun 2023 06:57:58 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-trivial@nongnu.org, Richard Henderson , Sergio Lopez , Michael Tokarev Subject: [PULL 09/16] hw/i386/microvm: Simplify using object_dynamic_cast() Date: Sat, 10 Jun 2023 09:57:47 +0300 Message-Id: X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Philippe Mathieu-Daudé Use object_dynamic_cast() to determine if 'dev' is a TYPE_VIRTIO_MMIO. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Reviewed-by: Sergio Lopez Signed-off-by: Michael Tokarev --- hw/i386/microvm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index 3d606a20b4..7227a2156c 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -389,9 +389,8 @@ static void microvm_fix_kernel_cmdline(MachineState *machine) bus = sysbus_get_default(); QTAILQ_FOREACH(kid, &bus->children, sibling) { DeviceState *dev = kid->child; - ObjectClass *class = object_get_class(OBJECT(dev)); - if (class == object_class_by_name(TYPE_VIRTIO_MMIO)) { + if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MMIO)) { VirtIOMMIOProxy *mmio = VIRTIO_MMIO(OBJECT(dev)); VirtioBusState *mmio_virtio_bus = &mmio->bus; BusState *mmio_bus = &mmio_virtio_bus->parent_obj;