From patchwork Fri Dec 17 09:33:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zhang X-Patchwork-Id: 12684143 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 03B8CC433EF for ; Fri, 17 Dec 2021 09:35:27 +0000 (UTC) Received: from localhost ([::1]:39048 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1my9eA-0005hk-NJ for qemu-devel@archiver.kernel.org; Fri, 17 Dec 2021 04:35:26 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53806) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1my9co-0004iE-H7 for qemu-devel@nongnu.org; Fri, 17 Dec 2021 04:34:02 -0500 Received: from smtp-out1.suse.de ([195.135.220.28]:41474) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1my9cn-0005gc-1q for qemu-devel@nongnu.org; Fri, 17 Dec 2021 04:34:02 -0500 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id E256A2170E; Fri, 17 Dec 2021 09:33:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1639733637; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Ko2eFSQ24SdPiUYKtGzne/n3vQG/kqNS/4N81TtcNsk=; b=fJnJFw8pkuAGhyuJHGM0cUz98PbbrKyU43F5JHo/8sGZYdZ2EL0Tz9ykTGU+GQ4T0nbEug ZbNUbTa3lWQk6M6HRZoL7nM2w4bneWYPlBXtl2GuM4lQSelJXpBktnm9bW0i7uvGVfaayW IajkXczd6SR8DKaQ/3pksCifi1QwDfI= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1639733637; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Ko2eFSQ24SdPiUYKtGzne/n3vQG/kqNS/4N81TtcNsk=; b=n2RyF8PPQOE5alzZDV4+XTuh+3BTtZhziNA/QWGz2W+CG2sleEHH4u+fXidjiFrYYEVGWz VTPXI4WAb4Be6FDg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id A99B613DC1; Fri, 17 Dec 2021 09:33:57 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id GMavJ4VZvGHIEwAAMHmgww (envelope-from ); Fri, 17 Dec 2021 09:33:57 +0000 From: Li Zhang To: quintela@redhat.com, dgilbert@redhat.com, cfontana@suse.de, qemu-devel@nongnu.org Subject: [PATCH 1/1] multifd: Remove some redundant code Date: Fri, 17 Dec 2021 10:33:18 +0100 Message-Id: <20211217093318.6260-1-lizhang@suse.de> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Received-SPF: pass client-ip=195.135.220.28; envelope-from=lizhang@suse.de; helo=smtp-out1.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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, RCVD_IN_DNSWL_MED=-2.3, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Li Zhang Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Clean up some unnecessary code Signed-off-by: Li Zhang --- migration/multifd.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/migration/multifd.c b/migration/multifd.c index 3242f688e5..1405cf95b8 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -854,9 +854,7 @@ static void multifd_new_send_channel_async(QIOTask *task, gpointer opaque) Error *local_err = NULL; trace_multifd_new_send_channel_async(p->id); - if (qio_task_propagate_error(task, &local_err)) { - goto cleanup; - } else { + if (!qio_task_propagate_error(task, &local_err)) { p->c = QIO_CHANNEL(sioc); qio_channel_set_delay(p->c, false); p->running = true; @@ -1078,10 +1076,7 @@ static void *multifd_recv_thread(void *opaque) ret = qio_channel_read_all_eof(p->c, (void *)p->packet, p->packet_len, &local_err); - if (ret == 0) { /* EOF */ - break; - } - if (ret == -1) { /* Error */ + if (ret == 0 || ret == -1) { /* 0: EOF -1: Error */ break; }