From patchwork Mon Oct 19 08:48:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 11843843 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 AC5A915E6 for ; Mon, 19 Oct 2020 08:52:09 +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 5E4D72225A for ; Mon, 19 Oct 2020 08:52:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E4D72225A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kaod.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:59458 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kUQtk-0008Vr-B3 for patchwork-qemu-devel@patchwork.kernel.org; Mon, 19 Oct 2020 04:52:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38162) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUQqV-0004BL-M8 for qemu-devel@nongnu.org; Mon, 19 Oct 2020 04:48:47 -0400 Received: from us-smtp-delivery-44.mimecast.com ([207.211.30.44]:46608) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kUQqU-0002pl-5r for qemu-devel@nongnu.org; Mon, 19 Oct 2020 04:48:47 -0400 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-429-t-NR6bF1NKaOly_2ZnBqUw-1; Mon, 19 Oct 2020 04:48:38 -0400 X-MC-Unique: t-NR6bF1NKaOly_2ZnBqUw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8F678805F05; Mon, 19 Oct 2020 08:48:36 +0000 (UTC) Received: from bahia.lan (ovpn-112-78.ams2.redhat.com [10.36.112.78]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7CDDF672C6; Mon, 19 Oct 2020 08:48:28 +0000 (UTC) Subject: [PATCH 3/5] spapr: Use appropriate getter for PC_DIMM_SLOT_PROP From: Greg Kurz To: David Gibson Date: Mon, 19 Oct 2020 10:48:27 +0200 Message-ID: <160309730758.2739814.15821922745424652642.stgit@bahia.lan> In-Reply-To: <160309727218.2739814.14722724927730985344.stgit@bahia.lan> References: <160309727218.2739814.14722724927730985344.stgit@bahia.lan> User-Agent: StGit/0.21 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 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=207.211.30.44; envelope-from=groug@kaod.org; helo=us-smtp-delivery-44.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/19 04:48:16 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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: Peter Maydell , Vladimir Sementsov-Ogievskiy , "Daniel P. Berrange" , Eduardo Habkost , "Michael S. Tsirkin" , Markus Armbruster , qemu-devel@nongnu.org, qemu-ppc@nongnu.org, Paolo Bonzini , Igor Mammedov , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" The PC_DIMM_SLOT_PROP property is defined as: DEFINE_PROP_INT32(PC_DIMM_SLOT_PROP, PCDIMMDevice, slot, PC_DIMM_UNASSIGNED_SLOT), Use object_property_get_int() instead of object_property_get_uint(). Since spapr_memory_plug() only gets called if pc_dimm_pre_plug() succeeded, we expect to have a valid >= 0 slot number, either because the user passed a valid slot number or because pc_dimm_get_free_slot() picked one up for us. Signed-off-by: Greg Kurz Reviewed-by: Philippe Mathieu-Daudé Acked-by: David Gibson --- hw/ppc/spapr.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 115fc52e3b06..1b173861152f 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3433,7 +3433,8 @@ static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error *local_err = NULL; SpaprMachineState *ms = SPAPR_MACHINE(hotplug_dev); PCDIMMDevice *dimm = PC_DIMM(dev); - uint64_t size, addr, slot; + uint64_t size, addr; + int64_t slot; bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); size = memory_device_get_region_size(MEMORY_DEVICE(dev), &error_abort); @@ -3450,11 +3451,13 @@ static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev, spapr_ovec_test(ms->ov5_cas, OV5_HP_EVT), &local_err); } else { - slot = object_property_get_uint(OBJECT(dimm), - PC_DIMM_SLOT_PROP, &local_err); + slot = object_property_get_int(OBJECT(dimm), + PC_DIMM_SLOT_PROP, &local_err); if (local_err) { goto out_unplug; } + /* We should have valid slot number at this point */ + g_assert(slot >= 0); spapr_add_nvdimm(dev, slot, &local_err); }