From nobody Wed Apr 16 21:16:33 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1633518695; cv=none; d=zohomail.com; s=zohoarc; b=gE/ql74LLfdLwJlNfXDVm2X/B/thHchH4+QMvXt9AG7V4jupvGIf5n1CKgFxHNJ/T81js0Q4aVvmY4ec7ks8t+BHFMeERHmSlNmBMQzcXZrRTRBxX9U1m6+WxGPYDy6OnlOHZOPB9yfYCpayfIVnHMHFMZnvwVGBhcz2HMpslrg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1633518695; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=JRceF0LMand2ACut0y8W1Ywg/k35iNtfLJXW/w9ptao=; b=D/PtV9EsRHPlyWw32BDBIJ01FDJ0Z4XhO2V3yrEXus3PAbFS+nhsAk1ZhpMBPsjY88ZSERuxwLntQfeBmRS1joct/obaUXY/v2Ofi6CE3XiFdKXfz6P2KDie2V0zOZmHuQFwyfWhFe2xKVkXPBHjoc67XbuSd3s26oiOHnU+1yI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1633518695542542.7732592982276; Wed, 6 Oct 2021 04:11:35 -0700 (PDT) Received: from localhost ([::1]:56402 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mY4pi-0005bf-9S for importer@patchew.org; Wed, 06 Oct 2021 07:11:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35488) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mY4eK-0008EZ-Bd for qemu-devel@nongnu.org; Wed, 06 Oct 2021 06:59:48 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:30785) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mY4eH-00063x-Bw for qemu-devel@nongnu.org; Wed, 06 Oct 2021 06:59:48 -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-446-Uh695-74NyOgpdy2wUw1iA-1; Wed, 06 Oct 2021 06:59:43 -0400 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 81B12802C80; Wed, 6 Oct 2021 10:59:42 +0000 (UTC) Received: from merkur.fritz.box (unknown [10.39.194.113]) by smtp.corp.redhat.com (Postfix) with ESMTP id BD53360BE5; Wed, 6 Oct 2021 10:59:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633517984; 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=JRceF0LMand2ACut0y8W1Ywg/k35iNtfLJXW/w9ptao=; b=ZTuDW9x/PsUfmN9s7tlqDXRXtlCbDzkpFopa57zrWmulETIfPndDvYks89v6hCZgbEJIlm y+MFhEl0lN1wvDeVySuZpTbchRhk6jT0mu7dbtRUx/aXv6P62xx9otTU2iY/X+t5X6H7BE tMIFY2E+oI7chy6R8QTtANYGeP26YCQ= X-MC-Unique: Uh695-74NyOgpdy2wUw1iA-1 From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PULL 04/13] block: bdrv_insert_node(): fix and improve error handling Date: Wed, 6 Oct 2021 12:59:14 +0200 Message-Id: <20211006105923.223549-5-kwolf@redhat.com> In-Reply-To: <20211006105923.223549-1-kwolf@redhat.com> References: <20211006105923.223549-1-kwolf@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=kwolf@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.05, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1633518697154100001 Content-Type: text/plain; charset="utf-8" From: Vladimir Sementsov-Ogievskiy - use ERRP_GUARD(): function calls error_prepend(), so it must use ERRP_GUARD(), otherwise error_prepend() would not be called when passed errp is error_fatal - drop error propagation, handle return code instead - for symmetry, do error_prepend() for the second failure Signed-off-by: Vladimir Sementsov-Ogievskiy Message-Id: <20210920115538.264372-3-vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf --- block.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/block.c b/block.c index 917fb7faca..5d49188073 100644 --- a/block.c +++ b/block.c @@ -5122,8 +5122,9 @@ static void bdrv_delete(BlockDriverState *bs) BlockDriverState *bdrv_insert_node(BlockDriverState *bs, QDict *node_optio= ns, int flags, Error **errp) { + ERRP_GUARD(); + int ret; BlockDriverState *new_node_bs; - Error *local_err =3D NULL; =20 new_node_bs =3D bdrv_open(NULL, NULL, node_options, flags, errp); if (new_node_bs =3D=3D NULL) { @@ -5132,12 +5133,12 @@ BlockDriverState *bdrv_insert_node(BlockDriverState= *bs, QDict *node_options, } =20 bdrv_drained_begin(bs); - bdrv_replace_node(bs, new_node_bs, &local_err); + ret =3D bdrv_replace_node(bs, new_node_bs, errp); bdrv_drained_end(bs); =20 - if (local_err) { + if (ret < 0) { + error_prepend(errp, "Could not replace node: "); bdrv_unref(new_node_bs); - error_propagate(errp, local_err); return NULL; } =20 --=20 2.31.1