From patchwork Sun Oct 11 10:21:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Levitsky X-Patchwork-Id: 11830819 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 4AC3F14D5 for ; Sun, 11 Oct 2020 10:23:54 +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 10E8D207F7 for ; Sun, 11 Oct 2020 10:23:54 +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="D8Y5Q7Ej" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 10E8D207F7 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]:42006 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kRYW9-00007W-6w for patchwork-qemu-devel@patchwork.kernel.org; Sun, 11 Oct 2020 06:23:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56016) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kRYUC-0006AR-Nd for qemu-devel@nongnu.org; Sun, 11 Oct 2020 06:21:52 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:23567) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kRYUA-0002ik-Nj for qemu-devel@nongnu.org; Sun, 11 Oct 2020 06:21:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1602411709; 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=WS7e9eNz1602z5VO6+Cnu6hlA9RATysActZiIZR+G9U=; b=D8Y5Q7EjctumjDUAYwSCvWVi/DBL1eGTblv7B5GPrrPAxeBQQdlQocFcNnK+chXz/1YBNy HWLJwlpAIC069nAeBSaleon9xcX2UP87TxFw3wleKUY4cTabOHroaT53TO+Mep9ui67RZT QgBPBhZicu947JkwftJZuQhI+mEDiAs= 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-264-kWjCIBUJOyqhKlXgVWwvtg-1; Sun, 11 Oct 2020 06:21:47 -0400 X-MC-Unique: kWjCIBUJOyqhKlXgVWwvtg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A1DF5100746B; Sun, 11 Oct 2020 10:21:46 +0000 (UTC) Received: from localhost.localdomain (unknown [10.35.206.144]) by smtp.corp.redhat.com (Postfix) with ESMTP id D32526EF55; Sun, 11 Oct 2020 10:21:44 +0000 (UTC) From: Maxim Levitsky To: qemu-devel@nongnu.org Subject: [PATCH v2 2/2] block: qcow2: remove the created file on initialization error Date: Sun, 11 Oct 2020 13:21:36 +0300 Message-Id: <20201011102136.622361-3-mlevitsk@redhat.com> In-Reply-To: <20201011102136.622361-1-mlevitsk@redhat.com> References: <20201011102136.622361-1-mlevitsk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mlevitsk@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=mlevitsk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/11 06:21:49 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H5=0.001, RCVD_IN_MSPIKE_WL=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: Kevin Wolf , Maxim Levitsky , Alberto Garcia , qemu-block@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" If the qcow initialization fails after we created the storage file, we should remove it to avoid leaving stale files around. We already do this for luks raw images. Signed-off-by: Maxim Levitsky --- block/qcow2.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/block/qcow2.c b/block/qcow2.c index b05512718c..4dc6102df8 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -3834,6 +3834,18 @@ static int coroutine_fn qcow2_co_create_opts(BlockDriver *drv, /* Create the qcow2 image (format layer) */ ret = qcow2_co_create(create_options, errp); if (ret < 0) { + + Error *local_delete_err = NULL; + int r_del = bdrv_co_delete_file(bs, &local_delete_err); + /* + * ENOTSUP will happen if the block driver doesn't support + * the 'bdrv_co_delete_file' interface. This is a predictable + * scenario and shouldn't be reported back to the user. + */ + if ((r_del < 0) && (r_del != -ENOTSUP)) { + error_report_err(local_delete_err); + } + error_free(local_delete_err); goto finish; }