From patchwork Mon Aug 10 16:55:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 276867 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDCB9C433E0 for ; Mon, 10 Aug 2020 16:57:28 +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 82C5422D07 for ; Mon, 10 Aug 2020 16:57:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 82C5422D07 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+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:60426 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k5B71-0002sT-Fp for qemu-devel@archiver.kernel.org; Mon, 10 Aug 2020 12:57:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40938) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k5B4u-0006yT-KZ for qemu-devel@nongnu.org; Mon, 10 Aug 2020 12:55:16 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:46625 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 1k5B4r-0000nk-PT for qemu-devel@nongnu.org; Mon, 10 Aug 2020 12:55:16 -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-557-Kk3b-ToDNXS291tDU34NoA-1; Mon, 10 Aug 2020 12:55:11 -0400 X-MC-Unique: Kk3b-ToDNXS291tDU34NoA-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 24C771005504; Mon, 10 Aug 2020 16:55:10 +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 4F5226111F; Mon, 10 Aug 2020 16:55:09 +0000 (UTC) Subject: [PATCH 11/14] ppc/xive: Fix error handling in vmstate_xive_tctx_*() callbacks From: Greg Kurz To: David Gibson Date: Mon, 10 Aug 2020 18:55:08 +0200 Message-ID: <159707850840.1489912.14912810818646455474.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 10.5.11.12 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=207.211.31.120; envelope-from=groug@kaod.org; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/10 03:31:01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Now that kvmppc_xive_cpu_get_state() and kvmppc_xive_cpu_set_state() return negative errnos on failures, use that instead local_err because it is the recommended practice. Also return that instead of -1 since vmstate expects negative errnos. Signed-off-by: Greg Kurz --- hw/intc/xive.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/hw/intc/xive.c b/hw/intc/xive.c index a453e8f4dcbe..17ca5a1916b4 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -695,12 +695,13 @@ static int vmstate_xive_tctx_pre_save(void *opaque) { XiveTCTX *tctx = XIVE_TCTX(opaque); Error *local_err = NULL; + int ret; if (xive_in_kernel(tctx->xptr)) { - kvmppc_xive_cpu_get_state(tctx, &local_err); - if (local_err) { + ret = kvmppc_xive_cpu_get_state(tctx, &local_err); + if (ret < 0) { error_report_err(local_err); - return -1; + return ret; } } @@ -711,16 +712,17 @@ static int vmstate_xive_tctx_post_load(void *opaque, int version_id) { XiveTCTX *tctx = XIVE_TCTX(opaque); Error *local_err = NULL; + int ret; if (xive_in_kernel(tctx->xptr)) { /* * Required for hotplugged CPU, for which the state comes * after all states of the machine. */ - kvmppc_xive_cpu_set_state(tctx, &local_err); - if (local_err) { + ret = kvmppc_xive_cpu_set_state(tctx, &local_err); + if (ret < 0) { error_report_err(local_err); - return -1; + return ret; } }