From patchwork Tue Sep 6 07:46:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 9315879 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 51BA0601C0 for ; Tue, 6 Sep 2016 07:52:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 55DE628BD2 for ; Tue, 6 Sep 2016 07:52:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4A6DC28BD5; Tue, 6 Sep 2016 07:52:40 +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 E41FC28BD2 for ; Tue, 6 Sep 2016 07:52:39 +0000 (UTC) Received: from localhost ([::1]:59675 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhBBO-0005Vp-Vh for patchwork-qemu-devel@patchwork.kernel.org; Tue, 06 Sep 2016 03:52:39 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38866) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhB6N-0001JM-Nt for qemu-devel@nongnu.org; Tue, 06 Sep 2016 03:47:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bhB6F-0002C8-8M for qemu-devel@nongnu.org; Tue, 06 Sep 2016 03:47:26 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:49013 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhB6F-0002C2-2b for qemu-devel@nongnu.org; Tue, 06 Sep 2016 03:47:19 -0400 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u867gbvD118268 for ; Tue, 6 Sep 2016 03:47:18 -0400 Received: from e06smtp15.uk.ibm.com (e06smtp15.uk.ibm.com [195.75.94.111]) by mx0b-001b2d01.pphosted.com with ESMTP id 259ryra3uq-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 06 Sep 2016 03:47:18 -0400 Received: from localhost by e06smtp15.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 6 Sep 2016 08:47:15 +0100 X-IBM-Helo: d06dlp03.portsmouth.uk.ibm.com X-IBM-MailFrom: cornelia.huck@de.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id 31FB71B0805F for ; Tue, 6 Sep 2016 08:48:59 +0100 (BST) Received: from d06av06.portsmouth.uk.ibm.com (d06av06.portsmouth.uk.ibm.com [9.149.37.217]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u867lDg063373390 for ; Tue, 6 Sep 2016 07:47:13 GMT Received: from d06av06.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av06.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u867lDrw013315 for ; Tue, 6 Sep 2016 03:47:13 -0400 Received: from gondolin.boeblingen.de.ibm.com (dyn-9-152-224-137.boeblingen.de.ibm.com [9.152.224.137]) by d06av06.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u867lCmQ013216 (version=TLSv1/SSLv3 cipher=AES256-SHA256 bits=256 verify=NO); Tue, 6 Sep 2016 03:47:13 -0400 From: Cornelia Huck To: peter.maydell@linaro.org Date: Tue, 6 Sep 2016 09:46:35 +0200 X-Mailer: git-send-email 2.9.3 In-Reply-To: <20160906074710.13495-1-cornelia.huck@de.ibm.com> References: <20160906074710.13495-1-cornelia.huck@de.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16090607-0020-0000-0000-0000023EA32E X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16090607-0021-0000-0000-00003DF0151C Message-Id: <20160906074710.13495-4-cornelia.huck@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-09-06_03:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1609060120 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PULL 03/38] s390x/pci: assert zpci always existing 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: Yi Min Zhao , agraf@suse.de, qemu-devel@nongnu.org, borntraeger@de.ibm.com, jfrei@linux.vnet.ibm.com, Cornelia Huck Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Yi Min Zhao If one pci device is plugged successfully, there must be a zpci device existing. This means that during hot-unplugging a pci device, its corresponding zpci device must be found. Therefore we use an assert to replace current code. Signed-off-by: Yi Min Zhao Signed-off-by: Cornelia Huck --- hw/s390x/s390-pci-bus.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 5750f22..ac8f06d 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -718,11 +718,7 @@ static void s390_pcihost_hot_unplug(HotplugHandler *hotplug_dev, break; } } - - if (!pbdev) { - object_unparent(OBJECT(pci_dev)); - return; - } + assert(pbdev != NULL); } else if (object_dynamic_cast(OBJECT(dev), TYPE_S390_PCI_DEVICE)) { pbdev = S390_PCI_DEVICE(dev); pci_dev = pbdev->pdev;