From mboxrd@z Thu Jan 1 00:00:00 1970 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 42944C433E9 for ; Tue, 9 Mar 2021 16:10:17 +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 BBEF064FE3 for ; Tue, 9 Mar 2021 16:10:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BBEF064FE3 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+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33904 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lJew3-0004ua-Qf for qemu-devel@archiver.kernel.org; Tue, 09 Mar 2021 11:10:15 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:36402) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lJeez-0003z0-UP for qemu-devel@nongnu.org; Tue, 09 Mar 2021 10:52:37 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:55871) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lJeeq-0000xp-F2 for qemu-devel@nongnu.org; Tue, 09 Mar 2021 10:52:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615305147; 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=famiGsegrLOhl74QG+tE8DFiV7TJOmMUdMekIU06b3c=; b=Lqo9OLzBKzxkOtvLyZs6qQ82wIuiZioAoWKE+R0EXht++P3rrlI/fwflowZMQ5YR95A6vW NlAVb4r/djZA+2uvhYIPIzWP3TMgJebZA2TEckVt+GMw+t81/56LQiM+QHox6diG7/D2t7 v3DoWp/t7IaPV48ZxjrXDMwq42cuDEw= 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-512-nUo07nq1MrOZOSf5BGo6iw-1; Tue, 09 Mar 2021 10:52:24 -0500 X-MC-Unique: nUo07nq1MrOZOSf5BGo6iw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8EDC3804331; Tue, 9 Mar 2021 15:52:23 +0000 (UTC) Received: from blue.redhat.com (ovpn-112-36.phx2.redhat.com [10.3.112.36]) by smtp.corp.redhat.com (Postfix) with ESMTP id E443019C46; Tue, 9 Mar 2021 15:52:22 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Subject: [PULL 07/17] blockdev: fix drive_backup_prepare() missed error Date: Tue, 9 Mar 2021 09:51:52 -0600 Message-Id: <20210309155202.1312571-8-eblake@redhat.com> In-Reply-To: <20210309155202.1312571-1-eblake@redhat.com> References: <20210309155202.1312571-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eblake@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=63.128.21.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.251, 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_H4=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 , Vladimir Sementsov-Ogievskiy , Alberto Garcia , "open list:Block layer core" , Markus Armbruster , Greg Kurz , Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Vladimir Sementsov-Ogievskiy We leak local_err and don't report failure to the caller. It's definitely wrong, let's fix. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Greg Kurz Reviewed-by: Alberto Garcia Message-Id: <20210202124956.63146-5-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake --- blockdev.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/blockdev.c b/blockdev.c index cd438e60e35a..65884a282658 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1825,9 +1825,7 @@ static void drive_backup_prepare(BlkActionState *common, Error **errp) aio_context_acquire(aio_context); if (set_backing_hd) { - bdrv_set_backing_hd(target_bs, source, &local_err); - if (local_err) { - error_propagate(errp, local_err); + if (bdrv_set_backing_hd(target_bs, source, errp) < 0) { goto unref; } } -- 2.30.1