From patchwork Thu Aug 17 14:19:16 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 9906441 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 011A26024A for ; Thu, 17 Aug 2017 14:20:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EBF2E28A95 for ; Thu, 17 Aug 2017 14:20:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DFC5928AFF; Thu, 17 Aug 2017 14:20:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7C02928A95 for ; Thu, 17 Aug 2017 14:20:28 +0000 (UTC) Received: from localhost ([::1]:55027 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1diLek-0007kF-3o for patchwork-qemu-devel@patchwork.kernel.org; Thu, 17 Aug 2017 10:20:18 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32917) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1diLds-0007jy-3G for qemu-devel@nongnu.org; Thu, 17 Aug 2017 10:19:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1diLdo-0008F9-Rk for qemu-devel@nongnu.org; Thu, 17 Aug 2017 10:19:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:20131) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1diLdo-0008EX-IU; Thu, 17 Aug 2017 10:19:20 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 237FAA0E65; Thu, 17 Aug 2017 14:19:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 237FAA0E65 Authentication-Results: ext-mx04.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx04.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=thuth@redhat.com Received: from thh440s.redhat.com (ovpn-117-189.ams2.redhat.com [10.36.117.189]) by smtp.corp.redhat.com (Postfix) with ESMTP id D2F8861D7C; Thu, 17 Aug 2017 14:19:17 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org, David Gibson Date: Thu, 17 Aug 2017 16:19:16 +0200 Message-Id: <1502979556-31791-1-git-send-email-thuth@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 17 Aug 2017 14:19:19 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH] hw/ppc/spapr_iommu: Fix crash when removing the "spapr-tce-table" device X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP QEMU currently aborts unexpectedly when the user tries to add and remove a "spapr-tce-table" device: $ qemu-system-ppc64 -nographic -S -nodefaults -monitor stdio QEMU 2.9.92 monitor - type 'help' for more information (qemu) device_add spapr-tce-table,id=x (qemu) device_del x ** ERROR:qemu/qdev-monitor.c:872:qdev_unplug: assertion failed: (hotplug_ctrl) Aborted (core dumped) The device should not be accessable for the users at all, it's just used internally, so mark it with user_creatable = false. Signed-off-by: Thomas Huth --- hw/ppc/spapr_iommu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c index e614621..ed2d535 100644 --- a/hw/ppc/spapr_iommu.c +++ b/hw/ppc/spapr_iommu.c @@ -618,6 +618,8 @@ static void spapr_tce_table_class_init(ObjectClass *klass, void *data) dc->init = spapr_tce_table_realize; dc->reset = spapr_tce_reset; dc->unrealize = spapr_tce_table_unrealize; + /* Reason: This is just an internal device for handling the hypercalls */ + dc->user_creatable = false; QLIST_INIT(&spapr_tce_tables);