From nobody Sat May 4 13:02:24 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1532353299868829.7014539568688; Mon, 23 Jul 2018 06:41:39 -0700 (PDT) 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 2C85481110; Mon, 23 Jul 2018 13:41:37 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 940725C265; Mon, 23 Jul 2018 13:41:36 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id DF3B818037ED; Mon, 23 Jul 2018 13:41:34 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w6NDfIuD032280 for ; Mon, 23 Jul 2018 09:41:18 -0400 Received: by smtp.corp.redhat.com (Postfix) id A9D842166BA0; Mon, 23 Jul 2018 13:41:18 +0000 (UTC) Received: from angien.brq.redhat.com (unknown [10.43.2.136]) by smtp.corp.redhat.com (Postfix) with ESMTP id 484352142F20 for ; Mon, 23 Jul 2018 13:41:18 +0000 (UTC) From: Peter Krempa To: libvir-list@redhat.com Date: Mon, 23 Jul 2018 15:41:17 +0200 Message-Id: <8ab81796a25b9570f16219e63df073f01dcaf188.1532353277.git.pkrempa@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-loop: libvir-list@redhat.com Subject: [libvirt] [PATCH] qemu: hotplug: Don't leak saved error on failure in qemuHotplugRemoveManagedPR X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@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]); Mon, 23 Jul 2018 13:41:38 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" If we'd fail to enter or exit the monitor the saved error would be leaked. Introduced in 8498a1e2221 . Pointed out by coverity. Signed-off-by: Peter Krempa Reviewed-by: John Ferlan --- src/qemu/qemu_hotplug.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index fe703ab4bd..1488f0a7c2 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -354,22 +354,26 @@ qemuHotplugRemoveManagedPR(virQEMUDriverPtr driver, { qemuDomainObjPrivatePtr priv =3D vm->privateData; virErrorPtr orig_err; - virErrorPreserveLast(&orig_err); + int ret =3D -1; if (!priv->prDaemonRunning || virDomainDefHasManagedPR(vm->def)) return 0; + virErrorPreserveLast(&orig_err); + if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0) - return -1; + goto cleanup; ignore_value(qemuMonitorDelObject(priv->mon, qemuDomainGetManagedPRAli= as())); if (qemuDomainObjExitMonitor(driver, vm) < 0) - return -1; + goto cleanup; qemuProcessKillManagedPRDaemon(vm); - virErrorRestore(&orig_err); - return 0; + ret =3D 0; + cleanup: + virErrorRestore(&orig_err); + return ret; } --=20 2.16.2 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list