From patchwork Fri Apr 28 19:49:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 13226756 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 479A8C77B60 for ; Fri, 28 Apr 2023 19:51:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1psU6e-0000vd-9J; Fri, 28 Apr 2023 15:50:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1psU6R-0000qC-Tn for qemu-devel@nongnu.org; Fri, 28 Apr 2023 15:50:01 -0400 Received: from forwardcorp1c.mail.yandex.net ([178.154.239.200]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1psU6L-00015w-HP for qemu-devel@nongnu.org; Fri, 28 Apr 2023 15:49:57 -0400 Received: from mail-nwsmtp-smtp-corp-main-26.myt.yp-c.yandex.net (mail-nwsmtp-smtp-corp-main-26.myt.yp-c.yandex.net [IPv6:2a02:6b8:c12:369a:0:640:c31a:0]) by forwardcorp1c.mail.yandex.net (Yandex) with ESMTP id 191DB5F745; Fri, 28 Apr 2023 22:49:46 +0300 (MSK) Received: from vsementsov-nix.yandex-team.ru (unknown [2a02:6b8:b081:b432::1:18]) by mail-nwsmtp-smtp-corp-main-26.myt.yp-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id TnPWb50Oca60-qDmFkLUz; Fri, 28 Apr 2023 22:49:45 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1682711385; bh=e9WvsMkW12VlVf9DXehqlqSfFgrPtBAaggJQ0vR+rz4=; h=Message-Id:Date:In-Reply-To:Cc:Subject:References:To:From; b=eL57psKsay2RM4t195bJ0n5FCOoqX8qOwk2cpF4gxLPpYY12bKmx1zg/BLKtDyQHg 0eG8DiiWspz+rJVYYFHgWUw6MaIieN4eQlIQzHdXyGTKwLUfhzSsjHVJs0xhH5ZfQs OrBJ9bRc6cQGgtI5F4FrtpnA97hVy/D8983Qomjg= Authentication-Results: mail-nwsmtp-smtp-corp-main-26.myt.yp-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Cc: lukasstraub2@web.de, quintela@redhat.com, chen.zhang@intel.com, vsementsov@yandex-team.ru, Peter Xu , Leonardo Bras Subject: [PATCH v4 06/10] migration: process_incoming_migration_co: simplify code flow around ret Date: Fri, 28 Apr 2023 22:49:24 +0300 Message-Id: <20230428194928.1426370-7-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230428194928.1426370-1-vsementsov@yandex-team.ru> References: <20230428194928.1426370-1-vsementsov@yandex-team.ru> MIME-Version: 1.0 Received-SPF: pass client-ip=178.154.239.200; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1c.mail.yandex.net 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Peter Xu Reviewed-by: Juan Quintela Reviewed-by: Zhang Chen --- migration/migration.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index d4fa1a853c..8db0892317 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -533,8 +533,13 @@ process_incoming_migration_co(void *opaque) /* Else if something went wrong then just fall out of the normal exit */ } + if (ret < 0) { + error_report("load of migration failed: %s", strerror(-ret)); + goto fail; + } + /* we get COLO info, and know if we are in COLO mode */ - if (!ret && migration_incoming_colo_enabled()) { + if (migration_incoming_colo_enabled()) { QemuThread colo_incoming_thread; /* Make sure all file formats throw away their mutable metadata */ @@ -556,10 +561,6 @@ process_incoming_migration_co(void *opaque) colo_release_ram_cache(); } - if (ret < 0) { - error_report("load of migration failed: %s", strerror(-ret)); - goto fail; - } mis->bh = qemu_bh_new(process_incoming_migration_bh, mis); qemu_bh_schedule(mis->bh); mis->migration_incoming_co = NULL;