From nobody Mon Feb 9 03:14:40 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4804C77B73 for ; Tue, 23 May 2023 00:42:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231978AbjEWAmK (ORCPT ); Mon, 22 May 2023 20:42:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37548 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234617AbjEWAAY (ORCPT ); Mon, 22 May 2023 20:00:24 -0400 Received: from mail-ot1-x336.google.com (mail-ot1-x336.google.com [IPv6:2607:f8b0:4864:20::336]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 608252135; Mon, 22 May 2023 16:54:14 -0700 (PDT) Received: by mail-ot1-x336.google.com with SMTP id 46e09a7af769-6af7593ed5fso821351a34.0; Mon, 22 May 2023 16:54:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1684799653; x=1687391653; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Eg7+MTtOoGginTkEuFUGcJMan5HKcjTNLO6/cJFDlM4=; b=hE+VlVPBniLddnIkLUExM3o1tiW7XrYfN2tezmYlTt87txsC7f9BRTYDdQiyAJhHxm BF17RE/+lSVmvCEg213hhwkePkJvdCWY3waFnayDGJm6vsvmRKSj0CBUvGvsjgkM2wbS Hlj722/CmP6utyeRySZK1l2oajoWjggphwHPgWzFyXFbcM3Q3qoTvB6OUN+gthu5deEk UUgobDZMccRc2G6f7Ln+TdsH/kbq1hgFAS3rlli4tM0IKzo8ZtFIDroz8xItAlaFqoL+ P1Xs+Fg9vieaMtT1mgng2x7eqbaU7/t0NLWQeeq3u7+lXGukqrhDEifjKRMKrqMu82xg Msxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684799653; x=1687391653; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Eg7+MTtOoGginTkEuFUGcJMan5HKcjTNLO6/cJFDlM4=; b=kp2r4EefMsUnN2F16V85m0NMrKueuQblNHqcJbcH9QRU80j11fniPwepF+fZf06han hfEsOlPoVa8YxJrTqlMXxksgG3XtQNQZ5Rl9RS9RMKTZxRftCEyKEnd5yYEvfztGg2DY Y9wluuh3Lw+cganHnLcj20WJMmFHaIXYlyxUD037YFbphmrXo5Fms5GGsCa/cmCEaHNA zXzjxPKzmaDYYZW0EwrgaDD/hmKo/IcxIHu/SvKf4+/mt+VgVJvbemx9e+V1r7Mizmtb rAd/12HksXaA/IU+Lg5/GES1HvferpKYmoR7aR9Un6yMEliN524YGGNDj1UIDDwNjkJv 9PGQ== X-Gm-Message-State: AC+VfDxwaBnhxheApI+GdPUN+3AFxVlUx1mWa7WYDBiawAlKW0/swaoM hu7MvtJkQCNFQko1c69uAA== X-Google-Smtp-Source: ACHHUZ4uUCdiFPY96wSRlMhGzY9cpAXsWfixLgugBHd+AcjTGacgnN0bQigh7sZ0ruSZ2zNRZxCkiw== X-Received: by 2002:a9d:6e19:0:b0:6af:7856:5d55 with SMTP id e25-20020a9d6e19000000b006af78565d55mr2673148otr.22.1684799653550; Mon, 22 May 2023 16:54:13 -0700 (PDT) Received: from C02FL77VMD6R.bytedance.net ([208.184.112.130]) by smtp.gmail.com with ESMTPSA id u21-20020a056830119500b006af800065f2sm1318813otq.59.2023.05.22.16.54.12 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 May 2023 16:54:13 -0700 (PDT) From: Peilin Ye X-Google-Original-From: Peilin Ye To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jamal Hadi Salim , Cong Wang , Jiri Pirko Cc: Peilin Ye , Daniel Borkmann , John Fastabend , Vlad Buslov , Pedro Tammela , Hillf Danton , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Cong Wang , Peilin Ye Subject: [PATCH v2 net 2/6] net/sched: sch_clsact: Only create under TC_H_CLSACT Date: Mon, 22 May 2023 16:54:02 -0700 Message-Id: X-Mailer: git-send-email 2.30.1 (Apple Git-130) In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" clsact Qdiscs are only supposed to be created under TC_H_CLSACT (which equals TC_H_INGRESS). Return -EOPNOTSUPP if 'parent' is not TC_H_CLSACT. Fixes: 1f211a1b929c ("net, sched: add clsact qdisc") Reviewed-by: Jamal Hadi Salim Acked-by: Jamal Hadi Salim Signed-off-by: Peilin Ye --- net/sched/sch_ingress.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c index 3d71f7a3b4ad..13218a1fe4a5 100644 --- a/net/sched/sch_ingress.c +++ b/net/sched/sch_ingress.c @@ -222,6 +222,9 @@ static int clsact_init(struct Qdisc *sch, struct nlattr= *opt, struct net_device *dev =3D qdisc_dev(sch); int err; =20 + if (sch->parent !=3D TC_H_CLSACT) + return -EOPNOTSUPP; + net_inc_ingress_queue(); net_inc_egress_queue(); =20 --=20 2.20.1