From patchwork Mon May 6 15:34:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 1095900 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 44yRhl2MFhz9s00 for ; Tue, 7 May 2019 01:38:11 +1000 (AEST) Received: from localhost ([127.0.0.1]:58348 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hNfgu-0000du-C7 for incoming@patchwork.ozlabs.org; Mon, 06 May 2019 11:38:08 -0400 Received: from eggs.gnu.org ([209.51.188.92]:37823) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hNfdY-0006wJ-DG for qemu-devel@nongnu.org; Mon, 06 May 2019 11:34:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hNfdV-0005x0-P3 for qemu-devel@nongnu.org; Mon, 06 May 2019 11:34:40 -0400 Received: from relay.sw.ru ([185.231.240.75]:48342) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hNfdV-0005vm-Gt; Mon, 06 May 2019 11:34:37 -0400 Received: from [10.28.8.145] (helo=kvm.sw.ru) by relay.sw.ru with esmtp (Exim 4.91) (envelope-from ) id 1hNfdO-0004Z1-UM; Mon, 06 May 2019 18:34:31 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Mon, 6 May 2019 18:34:28 +0300 Message-Id: <20190506153429.52737-3-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190506153429.52737-1-vsementsov@virtuozzo.com> References: <20190506153429.52737-1-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH v6 2/3] block/stream: refactor stream_run: drop goto X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fam@euphon.net, kwolf@redhat.com, vsementsov@virtuozzo.com, berto@igalia.com, wencongyang2@huawei.com, xiechanglong.d@gmail.com, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org, andrey.shinkevich@virtuozzo.com, jsnow@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The goto is unnecessary in the stream_run() since the common exit code was removed in the commit eb23654dbe43b549ea2a9ebff9d8e: "jobs: utilize job_exit shim". Signed-off-by: Vladimir Sementsov-Ogievskiy Signed-off-by: Andrey Shinkevich Reviewed-by: Alberto Garcia Reviewed-by: Max Reitz --- block/stream.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/block/stream.c b/block/stream.c index 97fddb2608..65b13b27e0 100644 --- a/block/stream.c +++ b/block/stream.c @@ -120,13 +120,12 @@ static int coroutine_fn stream_run(Job *job, Error **errp) void *buf; if (!bs->backing) { - goto out; + return 0; } len = bdrv_getlength(bs); if (len < 0) { - ret = len; - goto out; + return len; } job_progress_set_remaining(&s->common.job, len); @@ -203,14 +202,10 @@ static int coroutine_fn stream_run(Job *job, Error **errp) bdrv_disable_copy_on_read(bs); } - /* Do not remove the backing file if an error was there but ignored. */ - ret = error; - qemu_vfree(buf); -out: - /* Modify backing chain and close BDSes in main loop */ - return ret; + /* Do not remove the backing file if an error was there but ignored. */ + return error; } static const BlockJobDriver stream_job_driver = {