From nobody Sat Nov 15 07:45:57 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=yandex-team.ru ARC-Seal: i=1; a=rsa-sha256; t=1755526107; cv=none; d=zohomail.com; s=zohoarc; b=jfZIjP6rFbcoQm0THthATE8sEhCIPXvsAACtXqSXkU4R3Rxge/fpVzAsRBk/vbFjIsiGgQxWPBqMbJbCuDIjGyyNNgsIodz9mJ6HYtUfJvUoycPOeui9RWVQ1Yoh4thxX8G8Zb+Lg+NaBUyzazX/AvbGQXFOs7qbE4IL+Z+/NM4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1755526107; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=1Swq7dYJJnBLISq3vORSp+LW7aF5QGfIP3wBCjdR6cY=; b=NdOwHPc0wN4abLk4UxrW4I8dCpb0Zf6D55icQGCBkp1YegLD9NdpgYUhaKQ7z0h/cBA5XPp3OXvJpx4uAOd4WN4a6QWPqbzHmwMkSiRXpZx8Gfj9S4T+/wBYaylnUHjNj7Lq/fwU+ex6ZTFX+BSO+SwC1r/C5iSvMcs0b+L2czw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 175552610636828.24196606114026; Mon, 18 Aug 2025 07:08:26 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uo0Vn-0001Ls-RO; Mon, 18 Aug 2025 10:06:59 -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 1uo0Vl-0001Jw-4y for qemu-devel@nongnu.org; Mon, 18 Aug 2025 10:06:57 -0400 Received: from forwardcorp1b.mail.yandex.net ([178.154.239.136]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uo0Vh-0002BA-Jv for qemu-devel@nongnu.org; Mon, 18 Aug 2025 10:06:56 -0400 Received: from mail-nwsmtp-smtp-corp-main-34.sas.yp-c.yandex.net (mail-nwsmtp-smtp-corp-main-34.sas.yp-c.yandex.net [IPv6:2a02:6b8:c21:2d8b:0:640:7d49:0]) by forwardcorp1b.mail.yandex.net (Yandex) with ESMTPS id 80110807C0; Mon, 18 Aug 2025 17:06:49 +0300 (MSK) Received: from vsementsov-lin.. (unknown [2a02:6bf:8080:b25::1:17]) by mail-nwsmtp-smtp-corp-main-34.sas.yp-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id k6RC4003YeA0-8JerLNma; Mon, 18 Aug 2025 17:06:49 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1755526009; bh=1Swq7dYJJnBLISq3vORSp+LW7aF5QGfIP3wBCjdR6cY=; h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From; b=FImiNkpP00jxAQX3Ho6qSq84MXpfSn4fqeOjd5kS+O/nlOaRDKoD4X7d1ERQXD9bS y9ChI7WsHCufiFPuniRjHzy+DT2ntTGvvAM46+HbeHor2n8LAkdiBdl4RVnWdgQ7ne 4JHuWHPjNT3upjxgC1s071INV+hGfzIihslk9LDc= Authentication-Results: mail-nwsmtp-smtp-corp-main-34.sas.yp-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: jasowang@redhat.com Cc: qemu-devel@nongnu.org, vsementsov@yandex-team.ru Subject: [PATCH 06/19] net/tap: net_init_tap(): refactor parameter checking Date: Mon, 18 Aug 2025 17:06:32 +0300 Message-ID: <20250818140645.27904-7-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250818140645.27904-1-vsementsov@yandex-team.ru> References: <20250818140645.27904-1-vsementsov@yandex-team.ru> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=178.154.239.136; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1b.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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yandex-team.ru) X-ZM-MESSAGEID: 1755526109456116600 Content-Type: text/plain; charset="utf-8" Unite duplicated checks of different code paths. Signed-off-by: Vladimir Sementsov-Ogievskiy --- net/tap.c | 29 ++++++++++++++--------------- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/net/tap.c b/net/tap.c index 3fe99ef63f..042f9fd01a 100644 --- a/net/tap.c +++ b/net/tap.c @@ -831,12 +831,17 @@ int net_init_tap(const Netdev *netdev, const char *na= me, return -1; } =20 + if ((tap->fd || tap->fds || tap->helper) && + (tap->ifname || tap->script || tap->downscript || + tap->has_vnet_hdr || tap->has_queues)) { + error_setg(errp, "ifname=3D, script=3D, downscript=3D, vnet_hdr=3D= , " + "queues=3D, are invalid with fd=3D/fds=3D/helper=3D"); + return -1; + } + if (tap->fd) { - if (tap->ifname || tap->script || tap->downscript || - tap->has_vnet_hdr || tap->helper || tap->has_queues || - tap->fds || tap->vhostfds) { - error_setg(errp, "ifname=3D, script=3D, downscript=3D, vnet_hd= r=3D, " - "helper=3D, queues=3D, fds=3D, and vhostfds=3D " + if (tap->helper || tap->fds || tap->vhostfds) { + error_setg(errp, "helper=3D, fds=3D, and vhostfds=3D " "are invalid with fd=3D"); return -1; } @@ -868,12 +873,8 @@ int net_init_tap(const Netdev *netdev, const char *nam= e, char **vhost_fds; int nfds =3D 0, nvhosts =3D 0; =20 - if (tap->ifname || tap->script || tap->downscript || - tap->has_vnet_hdr || tap->helper || tap->has_queues || - tap->vhostfd) { - error_setg(errp, "ifname=3D, script=3D, downscript=3D, vnet_hd= r=3D, " - "helper=3D, queues=3D, and vhostfd=3D " - "are invalid with fds=3D"); + if (tap->helper || tap->vhostfd) { + error_setg(errp, "helper=3D and vhostfd=3D are invalid with fd= s=3D"); return -1; } =20 @@ -937,10 +938,8 @@ free_fail: g_free(vhost_fds); return ret; } else if (tap->helper) { - if (tap->ifname || tap->script || tap->downscript || - tap->has_vnet_hdr || tap->has_queues || tap->vhostfds) { - error_setg(errp, "ifname=3D, script=3D, downscript=3D, vnet_hd= r=3D, " - "queues=3D, and vhostfds=3D are invalid with helper= =3D"); + if (tap->vhostfds) { + error_setg(errp, "vhostfds=3D is invalid with helper=3D"); return -1; } =20 --=20 2.48.1