From patchwork Mon Sep 14 12:35:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 11773701 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 535C859D for ; Mon, 14 Sep 2020 12:43:55 +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 0D47420771 for ; Mon, 14 Sep 2020 12:43:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D47420771 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]:46094 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kHnpq-0005bL-5c for patchwork-qemu-devel@patchwork.kernel.org; Mon, 14 Sep 2020 08:43:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37782) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kHnhy-0006w9-Tw for qemu-devel@nongnu.org; Mon, 14 Sep 2020 08:35:46 -0400 Received: from us-smtp-delivery-44.mimecast.com ([207.211.30.44]:58037) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kHnhw-0000ll-Va for qemu-devel@nongnu.org; Mon, 14 Sep 2020 08:35:46 -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-535-jEntAfBRPde7mp1nNt0Egg-1; Mon, 14 Sep 2020 08:35:42 -0400 X-MC-Unique: jEntAfBRPde7mp1nNt0Egg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5ACF764086; Mon, 14 Sep 2020 12:35:41 +0000 (UTC) Received: from bahia.redhat.com (ovpn-112-218.ams2.redhat.com [10.36.112.218]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0714D1002D4E; Mon, 14 Sep 2020 12:35:39 +0000 (UTC) From: Greg Kurz To: qemu-devel@nongnu.org Subject: [PATCH 15/15] spapr: Simplify error handling in spapr_memory_unplug_request() Date: Mon, 14 Sep 2020 14:35:05 +0200 Message-Id: <20200914123505.612812-16-groug@kaod.org> In-Reply-To: <20200914123505.612812-1-groug@kaod.org> References: <20200914123505.612812-1-groug@kaod.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=groug@kaod.org X-Mimecast-Spam-Score: 0.001 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 = 2020/09/14 08:35:33 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: Greg Kurz , Vladimir Sementsov-Ogievskiy , qemu-ppc@nongnu.org, Markus Armbruster , David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Since object_property_get_uint() only returns 0 on failure, use that instead of local_err, and get rid of the error propagation overhead. Signed-off-by: Greg Kurz --- hw/ppc/spapr.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index d6b4de6a1c53..2eca9dc26668 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3609,7 +3609,6 @@ static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { SpaprMachineState *spapr = SPAPR_MACHINE(hotplug_dev); - Error *local_err = NULL; PCDIMMDevice *dimm = PC_DIMM(dev); uint32_t nr_lmbs; uint64_t size, addr_start, addr; @@ -3625,9 +3624,8 @@ static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev, nr_lmbs = size / SPAPR_MEMORY_BLOCK_SIZE; addr_start = object_property_get_uint(OBJECT(dimm), PC_DIMM_ADDR_PROP, - &local_err); - if (local_err) { - error_propagate(errp, local_err); + errp); + if (!addr_start) { return; }