From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1262AC432C1 for ; Tue, 24 Sep 2019 20:14:58 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DA6D0207FD for ; Tue, 24 Sep 2019 20:14:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DA6D0207FD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50620 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iCrD6-0006cL-Ml for qemu-devel@archiver.kernel.org; Tue, 24 Sep 2019 16:14:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43701) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iCr89-0000Uj-7c for qemu-devel@nongnu.org; Tue, 24 Sep 2019 16:09:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iCr88-0002rH-3F for qemu-devel@nongnu.org; Tue, 24 Sep 2019 16:09:49 -0400 Received: from relay.sw.ru ([185.231.240.75]:38038) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iCr87-0002qf-SB for qemu-devel@nongnu.org; Tue, 24 Sep 2019 16:09:48 -0400 Received: from [10.94.3.0] (helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.2) (envelope-from ) id 1iCr86-0001Mk-Fg; Tue, 24 Sep 2019 23:09:46 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Subject: [PATCH v3 03/25] net/net: fix local variable shadowing in net_client_init Date: Tue, 24 Sep 2019 23:08:40 +0300 Message-Id: <20190924200902.4703-4-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190924200902.4703-1-vsementsov@virtuozzo.com> References: <20190924200902.4703-1-vsementsov@virtuozzo.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 185.231.240.75 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Wang , vsementsov@virtuozzo.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Don't shadow Error *err: it's a bad thing. Signed-off-by: Vladimir Sementsov-Ogievskiy --- net/net.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/net/net.c b/net/net.c index 84aa6d8d00..9e93c3f8a1 100644 --- a/net/net.c +++ b/net/net.c @@ -1126,16 +1126,13 @@ static int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp) prefix_addr = substrings[0]; - if (substrings[1]) { - /* User-specified prefix length. */ - int err; - - err = qemu_strtoul(substrings[1], NULL, 10, &prefix_len); - if (err) { - error_setg(errp, QERR_INVALID_PARAMETER_VALUE, - "ipv6-prefixlen", "a number"); - goto out; - } + /* Handle user-specified prefix length. */ + if (substrings[1] && + qemu_strtoul(substrings[1], NULL, 10, &prefix_len)) + { + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, + "ipv6-prefixlen", "a number"); + goto out; } qemu_opt_set(opts, "ipv6-prefix", prefix_addr, &error_abort); -- 2.21.0