From patchwork Wed Jul 6 06:28:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 12907377 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 982E8C43334 for ; Wed, 6 Jul 2022 06:39:55 +0000 (UTC) Received: from localhost ([::1]:47398 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o8yhW-0008QV-DJ for qemu-devel@archiver.kernel.org; Wed, 06 Jul 2022 02:39:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53672) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o8yX0-0008Ls-O9 for qemu-devel@nongnu.org; Wed, 06 Jul 2022 02:29:06 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:60326) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o8yWx-0003c4-73 for qemu-devel@nongnu.org; Wed, 06 Jul 2022 02:29:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1657088938; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UsugeXRmpj6mDfdOs21HCIvMzNZPjsx1nLWODobOXW4=; b=LVlotaXobHLMdnWqYJSnM2hTz4uZpU7rsIxXxqAGRT0iWETMKU6enZypt8KFEFc/XyS8ff nYefztzIQo3FsGQhzONcmZJyPdDY43dqINMLPqtUHd+nL5yRmLYRcF8Ujmk7a76xhBiT2s dyUTo99Drgg2WMjh+8B3oDjQHfQIvRE= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-31-obrhghl1O8G7C8XgOLPLmQ-1; Wed, 06 Jul 2022 02:28:56 -0400 X-MC-Unique: obrhghl1O8G7C8XgOLPLmQ-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 11C6C801231 for ; Wed, 6 Jul 2022 06:28:56 +0000 (UTC) Received: from thinkpad.redhat.com (unknown [10.39.192.63]) by smtp.corp.redhat.com (Postfix) with ESMTP id 995E6401E6B; Wed, 6 Jul 2022 06:28:54 +0000 (UTC) From: Laurent Vivier To: qemu-devel@nongnu.org Cc: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Jason Wang , Markus Armbruster , "Dr. David Alan Gilbert" , Paolo Bonzini , Eric Blake , Laurent Vivier Subject: [PATCH v6 03/13] net: simplify net_client_parse() error management Date: Wed, 6 Jul 2022 08:28:37 +0200 Message-Id: <20220706062847.1396719-4-lvivier@redhat.com> In-Reply-To: <20220706062847.1396719-1-lvivier@redhat.com> References: <20220706062847.1396719-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Received-SPF: pass client-ip=170.10.129.124; envelope-from=lvivier@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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" All net_client_parse() callers exit in case of error. Move exit(1) to net_client_parse() and remove error checking from the callers. Suggested-by: Markus Armbruster Signed-off-by: Laurent Vivier Reviewed-by: Markus Armbruster --- include/net/net.h | 2 +- net/net.c | 6 ++---- softmmu/vl.c | 12 +++--------- 3 files changed, 6 insertions(+), 14 deletions(-) diff --git a/include/net/net.h b/include/net/net.h index c53c64ac18c4..e755254443ea 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -214,7 +214,7 @@ extern NICInfo nd_table[MAX_NICS]; extern const char *host_net_devices[]; /* from net.c */ -int net_client_parse(QemuOptsList *opts_list, const char *str); +void net_client_parse(QemuOptsList *opts_list, const char *str); void show_netdevs(void); void net_init_clients(void); void net_check_clients(void); diff --git a/net/net.c b/net/net.c index 15958f881776..f056e8aebfb2 100644 --- a/net/net.c +++ b/net/net.c @@ -1579,13 +1579,11 @@ void net_init_clients(void) &error_fatal); } -int net_client_parse(QemuOptsList *opts_list, const char *optarg) +void net_client_parse(QemuOptsList *opts_list, const char *optarg) { if (!qemu_opts_parse_noisily(opts_list, optarg, true)) { - return -1; + exit(1); } - - return 0; } /* From FreeBSD */ diff --git a/softmmu/vl.c b/softmmu/vl.c index 0142341e06e5..5dcd3f22505a 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -2793,21 +2793,15 @@ void qemu_init(int argc, char **argv, char **envp) break; case QEMU_OPTION_netdev: default_net = 0; - if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) { - exit(1); - } + net_client_parse(qemu_find_opts("netdev"), optarg); break; case QEMU_OPTION_nic: default_net = 0; - if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) { - exit(1); - } + net_client_parse(qemu_find_opts("nic"), optarg); break; case QEMU_OPTION_net: default_net = 0; - if (net_client_parse(qemu_find_opts("net"), optarg) == -1) { - exit(1); - } + net_client_parse(qemu_find_opts("net"), optarg); break; #ifdef CONFIG_LIBISCSI case QEMU_OPTION_iscsi: