From patchwork Thu Jul 2 11:09:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 11638559 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 126996C1 for ; Thu, 2 Jul 2020 11:22:07 +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 DD41E20780 for ; Thu, 2 Jul 2020 11:22:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="YEUGXKQU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DD41E20780 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:48670 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqxI6-0002hm-3e for patchwork-qemu-devel@patchwork.kernel.org; Thu, 02 Jul 2020 07:22:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52838) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqx6M-00078O-Qd for qemu-devel@nongnu.org; Thu, 02 Jul 2020 07:09:58 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:28555 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 1jqx6A-00012n-1M for qemu-devel@nongnu.org; Thu, 02 Jul 2020 07:09:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593688185; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ButK3prZ+cWQ+tqdqRhbbnFa20a91mKSRG/nTX+kx68=; b=YEUGXKQUm4b8QSnfbIFRE0pdv0VGXBTQgMXPfiWO+NpByLxGRBxjim1CokKsJi3KRpImcR +2P1By0/PU2PMEq+UJJdVcbQlc61lGDqll2ncN9sxz9zfBD9BN6N82/blfdvJ2CUfyV8ET ll3LVxcMTQSY/pMJbBCI0JVIMdDk7qg= 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-482-WsHgd7weN1u2brAc4nriiQ-1; Thu, 02 Jul 2020 07:09:39 -0400 X-MC-Unique: WsHgd7weN1u2brAc4nriiQ-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 4FD8B8015F6; Thu, 2 Jul 2020 11:09:38 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-143.ams2.redhat.com [10.36.112.143]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1E87360CD3; Thu, 2 Jul 2020 11:09:38 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 1C6621138481; Thu, 2 Jul 2020 13:09:32 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 21/28] mips/cps: Fix mips_cps_realize() error API violations Date: Thu, 2 Jul 2020 13:09:24 +0200 Message-Id: <20200702110931.2953148-22-armbru@redhat.com> In-Reply-To: <20200702110931.2953148-1-armbru@redhat.com> References: <20200702110931.2953148-1-armbru@redhat.com> 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=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/02 04:00:43 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: Aleksandar Markovic , Aleksandar Rikalo , Aurelien Jarno Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" The Error ** argument must be NULL, &error_abort, &error_fatal, or a pointer to a variable containing NULL. Passing an argument of the latter kind twice without clearing it in between is wrong: if the first call sets an error, it no longer points to NULL for the second call. mips_cps_realize() is wrong that way: it passes &err to multiple object_property_set_FOO() without checking for failure, and then to sysbus_realize(). Harmless, because the object_property_set_FOO() can't actually fail here. Fix by passing &error_abort instead. Cc: Aleksandar Markovic Cc: Aurelien Jarno Cc: Aleksandar Rikalo Signed-off-by: Markus Armbruster Message-Id: <20200630090351.1247703-20-armbru@redhat.com> --- hw/mips/cps.c | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/hw/mips/cps.c b/hw/mips/cps.c index 5382bc86f7..0d7f3cf673 100644 --- a/hw/mips/cps.c +++ b/hw/mips/cps.c @@ -100,10 +100,12 @@ static void mips_cps_realize(DeviceState *dev, Error **errp) /* Inter-Thread Communication Unit */ if (itu_present) { object_initialize_child(OBJECT(dev), "itu", &s->itu, TYPE_MIPS_ITU); - object_property_set_int(OBJECT(&s->itu), 16, "num-fifo", &err); - object_property_set_int(OBJECT(&s->itu), 16, "num-semaphores", &err); + object_property_set_int(OBJECT(&s->itu), 16, "num-fifo", + &error_abort); + object_property_set_int(OBJECT(&s->itu), 16, "num-semaphores", + &error_abort); object_property_set_bool(OBJECT(&s->itu), saar_present, "saar-present", - &err); + &error_abort); if (saar_present) { s->itu.saar = &env->CP0_SAAR; } @@ -119,8 +121,10 @@ static void mips_cps_realize(DeviceState *dev, Error **errp) /* Cluster Power Controller */ object_initialize_child(OBJECT(dev), "cpc", &s->cpc, TYPE_MIPS_CPC); - object_property_set_int(OBJECT(&s->cpc), s->num_vp, "num-vp", &err); - object_property_set_int(OBJECT(&s->cpc), 1, "vp-start-running", &err); + object_property_set_int(OBJECT(&s->cpc), s->num_vp, "num-vp", + &error_abort); + object_property_set_int(OBJECT(&s->cpc), 1, "vp-start-running", + &error_abort); sysbus_realize(SYS_BUS_DEVICE(&s->cpc), &err); if (err != NULL) { error_propagate(errp, err); @@ -132,8 +136,10 @@ static void mips_cps_realize(DeviceState *dev, Error **errp) /* Global Interrupt Controller */ object_initialize_child(OBJECT(dev), "gic", &s->gic, TYPE_MIPS_GIC); - object_property_set_int(OBJECT(&s->gic), s->num_vp, "num-vp", &err); - object_property_set_int(OBJECT(&s->gic), 128, "num-irq", &err); + object_property_set_int(OBJECT(&s->gic), s->num_vp, "num-vp", + &error_abort); + object_property_set_int(OBJECT(&s->gic), 128, "num-irq", + &error_abort); sysbus_realize(SYS_BUS_DEVICE(&s->gic), &err); if (err != NULL) { error_propagate(errp, err); @@ -147,9 +153,12 @@ static void mips_cps_realize(DeviceState *dev, Error **errp) gcr_base = env->CP0_CMGCRBase << 4; object_initialize_child(OBJECT(dev), "gcr", &s->gcr, TYPE_MIPS_GCR); - object_property_set_int(OBJECT(&s->gcr), s->num_vp, "num-vp", &err); - object_property_set_int(OBJECT(&s->gcr), 0x800, "gcr-rev", &err); - object_property_set_int(OBJECT(&s->gcr), gcr_base, "gcr-base", &err); + object_property_set_int(OBJECT(&s->gcr), s->num_vp, "num-vp", + &error_abort); + object_property_set_int(OBJECT(&s->gcr), 0x800, "gcr-rev", + &error_abort); + object_property_set_int(OBJECT(&s->gcr), gcr_base, "gcr-base", + &error_abort); object_property_set_link(OBJECT(&s->gcr), OBJECT(&s->gic.mr), "gic", &error_abort); object_property_set_link(OBJECT(&s->gcr), OBJECT(&s->cpc.mr), "cpc",