From patchwork Mon Jun 17 13:46:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg Kurz X-Patchwork-Id: 10999317 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E14AD6C5 for ; Mon, 17 Jun 2019 13:53:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D03EF2894E for ; Mon, 17 Jun 2019 13:53:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C42992895F; Mon, 17 Jun 2019 13:53:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 649EF2894E for ; Mon, 17 Jun 2019 13:53:40 +0000 (UTC) Received: from localhost ([::1]:47676 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hcs4p-0001qU-PX for patchwork-qemu-devel@patchwork.kernel.org; Mon, 17 Jun 2019 09:53:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33040) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hcryY-0004Os-Qq for qemu-devel@nongnu.org; Mon, 17 Jun 2019 09:47:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hcryU-0000nf-Ue for qemu-devel@nongnu.org; Mon, 17 Jun 2019 09:47:08 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:38434 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hcryN-0000hs-K1 for qemu-devel@nongnu.org; Mon, 17 Jun 2019 09:47:03 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5HDbT5R113979 for ; Mon, 17 Jun 2019 09:46:59 -0400 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0b-001b2d01.pphosted.com with ESMTP id 2t6bj89ktd-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 17 Jun 2019 09:46:58 -0400 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 17 Jun 2019 14:46:53 +0100 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x5HDkiHj30277956 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 17 Jun 2019 13:46:44 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9A26E5204F; Mon, 17 Jun 2019 13:46:52 +0000 (GMT) Received: from bahia.lan (unknown [9.145.14.35]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 6C03D52050; Mon, 17 Jun 2019 13:46:52 +0000 (GMT) From: Greg Kurz To: David Gibson Date: Mon, 17 Jun 2019 15:46:52 +0200 In-Reply-To: <156077918969.433243.1416211899441569578.stgit@bahia.lan> References: <156077918969.433243.1416211899441569578.stgit@bahia.lan> User-Agent: StGit/unknown-version MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19061713-0008-0000-0000-000002F47BC1 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19061713-0009-0000-0000-000022618DDE Message-Id: <156077921212.433243.11716701611944816815.stgit@bahia.lan> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-06-17_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1034 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=837 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906170126 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH 4/6] xics/kvm: Always use local_err in xics_kvm_init() 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" X-Virus-Scanned: ClamAV using ClamSMTP Passing both errp and &local_err to functions is a recipe for messing things up. Since we must use &local_err for icp_kvm_realize(), use &local_err everywhere where rollback must happen and have a single call to error_propagate() them all. While here, add errno to the error message. Signed-off-by: Greg Kurz Reviewed-by: Cédric Le Goater --- hw/intc/xics_kvm.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c index 377ff88701c2..c9e25fb051bb 100644 --- a/hw/intc/xics_kvm.c +++ b/hw/intc/xics_kvm.c @@ -353,32 +353,36 @@ int xics_kvm_connect(SpaprMachineState *spapr, Error **errp) rc = kvmppc_define_rtas_kernel_token(RTAS_IBM_SET_XIVE, "ibm,set-xive"); if (rc < 0) { - error_setg(errp, "kvmppc_define_rtas_kernel_token: ibm,set-xive"); + error_setg_errno(&local_err, -rc, + "kvmppc_define_rtas_kernel_token: ibm,set-xive"); goto fail; } rc = kvmppc_define_rtas_kernel_token(RTAS_IBM_GET_XIVE, "ibm,get-xive"); if (rc < 0) { - error_setg(errp, "kvmppc_define_rtas_kernel_token: ibm,get-xive"); + error_setg_errno(&local_err, -rc, + "kvmppc_define_rtas_kernel_token: ibm,get-xive"); goto fail; } rc = kvmppc_define_rtas_kernel_token(RTAS_IBM_INT_ON, "ibm,int-on"); if (rc < 0) { - error_setg(errp, "kvmppc_define_rtas_kernel_token: ibm,int-on"); + error_setg_errno(&local_err, -rc, + "kvmppc_define_rtas_kernel_token: ibm,int-on"); goto fail; } rc = kvmppc_define_rtas_kernel_token(RTAS_IBM_INT_OFF, "ibm,int-off"); if (rc < 0) { - error_setg(errp, "kvmppc_define_rtas_kernel_token: ibm,int-off"); + error_setg_errno(&local_err, -rc, + "kvmppc_define_rtas_kernel_token: ibm,int-off"); goto fail; } /* Create the KVM XICS device */ rc = kvm_create_device(kvm_state, KVM_DEV_TYPE_XICS, false); if (rc < 0) { - error_setg_errno(errp, -rc, "Error on KVM_CREATE_DEVICE for XICS"); + error_setg_errno(&local_err, -rc, "Error on KVM_CREATE_DEVICE for XICS"); goto fail; } @@ -393,7 +397,6 @@ int xics_kvm_connect(SpaprMachineState *spapr, Error **errp) icp_kvm_realize(DEVICE(spapr_cpu_state(cpu)->icp), &local_err); if (local_err) { - error_propagate(errp, local_err); goto fail; } } @@ -410,6 +413,7 @@ int xics_kvm_connect(SpaprMachineState *spapr, Error **errp) return 0; fail: + error_propagate(errp, local_err); kvmppc_define_rtas_kernel_token(0, "ibm,set-xive"); kvmppc_define_rtas_kernel_token(0, "ibm,get-xive"); kvmppc_define_rtas_kernel_token(0, "ibm,int-on");