From patchwork Tue Jun 9 12:23:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 11595381 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C4879912 for ; Tue, 9 Jun 2020 12:31:40 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 97B3C2074B for ; Tue, 9 Jun 2020 12:31:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="TAp01WtU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 97B3C2074B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:50520 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jidPn-0004jD-F2 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 09 Jun 2020 08:31:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41676) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jidIL-0003PS-G6 for qemu-devel@nongnu.org; Tue, 09 Jun 2020 08:23:57 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:50247 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jidIG-0005QK-PQ for qemu-devel@nongnu.org; Tue, 09 Jun 2020 08:23:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591705427; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xLna1p07mKJM7i0zrrlNHyDNNPybX9I6BoX1ZKhLxe8=; b=TAp01WtU3y32KVIyDZ5FbtvUAeTy3W5y21mzr6jOzlQ4MRw1dXWtov863iLZpV7OAthKcw QnAfIR+6z7YoPjg/cIgdQV2ozaOLB1LeaUrjw91+QSF4iAHAYDLZNaQ2V/3sT8QRqWw3Kv 9RSfBKqxymjSxwBA5q5+155xqLDDANs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-218-Uw3oE5cMOcu36dgcawQSEQ-1; Tue, 09 Jun 2020 08:23:45 -0400 X-MC-Unique: Uw3oE5cMOcu36dgcawQSEQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D66E8A0BDA; Tue, 9 Jun 2020 12:23:44 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-121.ams2.redhat.com [10.36.112.121]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A6FFB82044; Tue, 9 Jun 2020 12:23:44 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 32966113846B; Tue, 9 Jun 2020 14:23:40 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v3 22/24] qdev: Assert devices are plugged into a bus that can take them Date: Tue, 9 Jun 2020 14:23:37 +0200 Message-Id: <20200609122339.937862-23-armbru@redhat.com> In-Reply-To: <20200609122339.937862-1-armbru@redhat.com> References: <20200609122339.937862-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/09 02:44:16 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: pbonzini@redhat.com, Mark Cave-Ayland , berrange@redhat.com, ehabkost@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" This would have caught some of the bugs I just fixed. Signed-off-by: Markus Armbruster Reviewed-by: Mark Cave-Ayland --- hw/core/qdev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 9e5538aeae..b5b42b2616 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -97,6 +97,9 @@ static void bus_add_child(BusState *bus, DeviceState *child) void qdev_set_parent_bus(DeviceState *dev, BusState *bus) { BusState *old_parent_bus = dev->parent_bus; + DeviceClass *dc = DEVICE_GET_CLASS(dev); + + assert(dc->bus_type && object_dynamic_cast(OBJECT(bus), dc->bus_type)); if (old_parent_bus) { trace_qdev_update_parent_bus(dev, object_get_typename(OBJECT(dev)),