From patchwork Mon Aug 10 16:54:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 11707673 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 49C1A618 for ; Mon, 10 Aug 2020 17:03:37 +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 24C852083B for ; Mon, 10 Aug 2020 17:03:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24C852083B 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]:53800 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k5BCy-0003U1-Ah for patchwork-qemu-devel@patchwork.kernel.org; Mon, 10 Aug 2020 13:03:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40796) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k5B4a-0006KQ-PX for qemu-devel@nongnu.org; Mon, 10 Aug 2020 12:54:56 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:35909 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 1k5B4Z-0000lW-4h for qemu-devel@nongnu.org; Mon, 10 Aug 2020 12:54:56 -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-222--vVCfanuPgqVF4GDBI32Xw-1; Mon, 10 Aug 2020 12:54:50 -0400 X-MC-Unique: -vVCfanuPgqVF4GDBI32Xw-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 51F668005B0; Mon, 10 Aug 2020 16:54:49 +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 7CDF31001901; Mon, 10 Aug 2020 16:54:48 +0000 (UTC) Subject: [PATCH 08/14] spapr/xive: Rework error handling of kvmppc_xive_set_source_config() From: Greg Kurz To: David Gibson Date: Mon, 10 Aug 2020 18:54:47 +0200 Message-ID: <159707848764.1489912.17078842252160674523.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 2.84 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 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 kvm_device_access() returns a negative errno on failure, convert kvmppc_xive_set_source_config() to use it for error checking. This allows to get rid of the local_err boilerplate. 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 | 13 ++++--------- include/hw/ppc/spapr_xive.h | 4 ++-- 2 files changed, 6 insertions(+), 11 deletions(-) diff --git a/hw/intc/spapr_xive_kvm.c b/hw/intc/spapr_xive_kvm.c index 4142aaffff47..f2dda692183b 100644 --- a/hw/intc/spapr_xive_kvm.c +++ b/hw/intc/spapr_xive_kvm.c @@ -186,8 +186,8 @@ int kvmppc_xive_cpu_connect(XiveTCTX *tctx, Error **errp) * XIVE Interrupt Source (KVM) */ -void kvmppc_xive_set_source_config(SpaprXive *xive, uint32_t lisn, XiveEAS *eas, - Error **errp) +int kvmppc_xive_set_source_config(SpaprXive *xive, uint32_t lisn, XiveEAS *eas, + Error **errp) { uint32_t end_idx; uint32_t end_blk; @@ -196,7 +196,6 @@ void kvmppc_xive_set_source_config(SpaprXive *xive, uint32_t lisn, XiveEAS *eas, bool masked; uint32_t eisn; uint64_t kvm_src; - Error *local_err = NULL; assert(xive_eas_is_valid(eas)); @@ -216,12 +215,8 @@ void kvmppc_xive_set_source_config(SpaprXive *xive, uint32_t lisn, XiveEAS *eas, kvm_src |= ((uint64_t)eisn << KVM_XIVE_SOURCE_EISN_SHIFT) & KVM_XIVE_SOURCE_EISN_MASK; - kvm_device_access(xive->fd, KVM_DEV_XIVE_GRP_SOURCE_CONFIG, lisn, - &kvm_src, true, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } + return kvm_device_access(xive->fd, KVM_DEV_XIVE_GRP_SOURCE_CONFIG, lisn, + &kvm_src, true, errp); } void kvmppc_xive_sync_source(SpaprXive *xive, uint32_t lisn, Error **errp) diff --git a/include/hw/ppc/spapr_xive.h b/include/hw/ppc/spapr_xive.h index d0a08b618f79..0ffbe0be0280 100644 --- a/include/hw/ppc/spapr_xive.h +++ b/include/hw/ppc/spapr_xive.h @@ -80,8 +80,8 @@ int kvmppc_xive_connect(SpaprInterruptController *intc, uint32_t nr_servers, Error **errp); void kvmppc_xive_disconnect(SpaprInterruptController *intc); void kvmppc_xive_reset(SpaprXive *xive, Error **errp); -void kvmppc_xive_set_source_config(SpaprXive *xive, uint32_t lisn, XiveEAS *eas, - Error **errp); +int kvmppc_xive_set_source_config(SpaprXive *xive, uint32_t lisn, XiveEAS *eas, + Error **errp); void kvmppc_xive_sync_source(SpaprXive *xive, uint32_t lisn, Error **errp); uint64_t kvmppc_xive_esb_rw(XiveSource *xsrc, int srcno, uint32_t offset, uint64_t data, bool write);