From patchwork Fri Nov 20 17:46:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 1403926 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: 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=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=kaod.org 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 ozlabs.org (Postfix) with ESMTPS id 4Cd3y563rNz9sSs for ; Sat, 21 Nov 2020 04:51:23 +1100 (AEDT) Received: from localhost ([::1]:43518 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kgAZ6-0003wD-F6 for incoming@patchwork.ozlabs.org; Fri, 20 Nov 2020 12:51:20 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55266) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kgAV5-0008UQ-Bk for qemu-devel@nongnu.org; Fri, 20 Nov 2020 12:47:14 -0500 Received: from us-smtp-delivery-44.mimecast.com ([205.139.111.44]:57426) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kgAV2-00057T-IT for qemu-devel@nongnu.org; Fri, 20 Nov 2020 12:47:11 -0500 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-96-V5AcIn0DNTi4B4PYRgb2-A-1; Fri, 20 Nov 2020 12:46:51 -0500 X-MC-Unique: V5AcIn0DNTi4B4PYRgb2-A-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5095B80ED8A; Fri, 20 Nov 2020 17:46:50 +0000 (UTC) Received: from bahia.redhat.com (ovpn-112-44.ams2.redhat.com [10.36.112.44]) by smtp.corp.redhat.com (Postfix) with ESMTP id C44735C1D5; Fri, 20 Nov 2020 17:46:48 +0000 (UTC) From: Greg Kurz To: qemu-devel@nongnu.org Subject: [PATCH for-6.0 1/8] spapr/xive: Turn some sanity checks into assertions Date: Fri, 20 Nov 2020 18:46:39 +0100 Message-Id: <20201120174646.619395-2-groug@kaod.org> In-Reply-To: <20201120174646.619395-1-groug@kaod.org> References: <20201120174646.619395-1-groug@kaod.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=groug@kaod.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kaod.org Received-SPF: softfail client-ip=205.139.111.44; envelope-from=groug@kaod.org; helo=us-smtp-delivery-44.mimecast.com X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no 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: Greg Kurz , qemu-ppc@nongnu.org, =?utf-8?q?C=C3=A9dric_L?= =?utf-8?q?e_Goater?= , David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The sPAPR XIVE device is created by the machine in spapr_irq_init(). The latter overrides any value provided by the user with -global for the "nr-irqs" and "nr-ends" properties with strictly positive values. It seems reasonable to assume these properties should never be 0, which wouldn't make much sense by the way. Signed-off-by: Greg Kurz Reviewed-by: Cédric Le Goater --- hw/intc/spapr_xive.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c index 1fa09f287ac0..60e0d5769dcc 100644 --- a/hw/intc/spapr_xive.c +++ b/hw/intc/spapr_xive.c @@ -296,22 +296,16 @@ static void spapr_xive_realize(DeviceState *dev, Error **errp) XiveENDSource *end_xsrc = &xive->end_source; Error *local_err = NULL; + /* Set by spapr_irq_init() */ + g_assert(xive->nr_irqs); + g_assert(xive->nr_ends); + sxc->parent_realize(dev, &local_err); if (local_err) { error_propagate(errp, local_err); return; } - if (!xive->nr_irqs) { - error_setg(errp, "Number of interrupt needs to be greater 0"); - return; - } - - if (!xive->nr_ends) { - error_setg(errp, "Number of interrupt needs to be greater 0"); - return; - } - /* * Initialize the internal sources, for IPIs and virtual devices. */