From patchwork Mon Apr 1 12:06:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Shinkevich X-Patchwork-Id: 10879811 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6B7A217EE for ; Mon, 1 Apr 2019 12:07:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5463328682 for ; Mon, 1 Apr 2019 12:07:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 47EDC2876D; Mon, 1 Apr 2019 12:07:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E8AC128682 for ; Mon, 1 Apr 2019 12:07:19 +0000 (UTC) Received: from localhost ([127.0.0.1]:54948 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hAvig-0008Rs-FV for patchwork-qemu-devel@patchwork.kernel.org; Mon, 01 Apr 2019 08:07:18 -0400 Received: from eggs.gnu.org ([209.51.188.92]:48083) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hAvhd-0007Oo-2i for qemu-devel@nongnu.org; Mon, 01 Apr 2019 08:06:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hAvhc-0006j1-4c for qemu-devel@nongnu.org; Mon, 01 Apr 2019 08:06:13 -0400 Received: from relay.sw.ru ([185.231.240.75]:42932) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hAvhb-0006eZ-Qq; Mon, 01 Apr 2019 08:06:12 -0400 Received: from [172.16.25.136] (helo=localhost.sw.ru) by relay.sw.ru with esmtp (Exim 4.91) (envelope-from ) id 1hAvhW-0002g8-Ef; Mon, 01 Apr 2019 15:06:06 +0300 From: Andrey Shinkevich To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Mon, 1 Apr 2019 15:06:04 +0300 Message-Id: <1554120365-39119-3-git-send-email-andrey.shinkevich@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1554120365-39119-1-git-send-email-andrey.shinkevich@virtuozzo.com> References: <1554120365-39119-1-git-send-email-andrey.shinkevich@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 v2 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, armbru@redhat.com, mreitz@redhat.com, stefanha@redhat.com, andrey.shinkevich@virtuozzo.com, den@openvz.org, jsnow@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Vladimir Sementsov-Ogievskiy Signed-off-by: Vladimir Sementsov-Ogievskiy Signed-off-by: Andrey Shinkevich Reviewed-by: Alberto Garcia --- block/stream.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/block/stream.c b/block/stream.c index 6253c86..c065e99 100644 --- a/block/stream.c +++ b/block/stream.c @@ -122,13 +122,12 @@ 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); @@ -205,14 +204,10 @@ 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 = {