From patchwork Mon Aug 10 16:54:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 11707671 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 A0920618 for ; Mon, 10 Aug 2020 17:02:24 +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 7A97A207DE for ; Mon, 10 Aug 2020 17:02:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A97A207DE 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]:50828 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k5BBn-0002FI-DF for patchwork-qemu-devel@patchwork.kernel.org; Mon, 10 Aug 2020 13:02:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40736) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k5B4R-00062j-8S for qemu-devel@nongnu.org; Mon, 10 Aug 2020 12:54:47 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:32701 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1k5B4P-0000kw-PS for qemu-devel@nongnu.org; Mon, 10 Aug 2020 12:54:46 -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-330-JOSmJhokPP6m_LtDr_G4Iw-1; Mon, 10 Aug 2020 12:54:43 -0400 X-MC-Unique: JOSmJhokPP6m_LtDr_G4Iw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 660761005504; Mon, 10 Aug 2020 16:54:42 +0000 (UTC) Received: from bahia.lan (ovpn-112-38.ams2.redhat.com [10.36.112.38]) by smtp.corp.redhat.com (Postfix) with ESMTP id 91BEB5F1E4; Mon, 10 Aug 2020 16:54:41 +0000 (UTC) Subject: [PATCH 07/14] spapr/xive: Rework error handling in kvmppc_xive_get_queues() From: Greg Kurz To: David Gibson Date: Mon, 10 Aug 2020 18:54:40 +0200 Message-ID: <159707848069.1489912.14879208798696134531.stgit@bahia.lan> In-Reply-To: <159707843034.1489912.1082061742626355958.stgit@bahia.lan> References: <159707843034.1489912.1082061742626355958.stgit@bahia.lan> User-Agent: StGit/0.21 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 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=205.139.110.120; envelope-from=groug@kaod.org; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/10 11:00:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: qemu-ppc@nongnu.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Since kvmppc_xive_get_queue_config() has a return value, convert kvmppc_xive_get_queues() to use it for error checking. This allows to get rid of the local_err boiler plate. Propagate the return value so that callers may use it as well to check failures. Signed-off-by: Greg Kurz --- hw/intc/spapr_xive_kvm.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/hw/intc/spapr_xive_kvm.c b/hw/intc/spapr_xive_kvm.c index 696623f717b7..4142aaffff47 100644 --- a/hw/intc/spapr_xive_kvm.c +++ b/hw/intc/spapr_xive_kvm.c @@ -467,23 +467,24 @@ void kvmppc_xive_reset(SpaprXive *xive, Error **errp) NULL, true, errp); } -static void kvmppc_xive_get_queues(SpaprXive *xive, Error **errp) +static int kvmppc_xive_get_queues(SpaprXive *xive, Error **errp) { - Error *local_err = NULL; int i; + int ret; for (i = 0; i < xive->nr_ends; i++) { if (!xive_end_is_valid(&xive->endt[i])) { continue; } - kvmppc_xive_get_queue_config(xive, SPAPR_XIVE_BLOCK_ID, i, - &xive->endt[i], &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; + ret = kvmppc_xive_get_queue_config(xive, SPAPR_XIVE_BLOCK_ID, i, + &xive->endt[i], errp); + if (ret < 0) { + return ret; } } + + return 0; } /*