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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27CAAC433F5 for ; Wed, 8 Dec 2021 08:33:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244969AbhLHIhT (ORCPT ); Wed, 8 Dec 2021 03:37:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244949AbhLHIhR (ORCPT ); Wed, 8 Dec 2021 03:37:17 -0500 Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3EF4C061746 for ; Wed, 8 Dec 2021 00:33:45 -0800 (PST) Received: by mail-ed1-x531.google.com with SMTP id e3so5809380edu.4 for ; Wed, 08 Dec 2021 00:33:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=M/eeez3BcNi8tVHbYa2oBkvP6t/vK4B43HUQensSi3k=; b=Orp+rG52g6tM3+l/drNhrh6yzPRKPWZcTew2ozeopfwXTy+KpnrLnl684tWf9cNuId 90kmKsM3VRgMXWqcqdESh5J1AGweiDOXeVoQTaQS48SQ9Wry/FVDCuCK/RT/pbO9Yob/ rYfqQQycRbfrii9WQHGS+mEoTkl/Pm0Tfsv/OvzNw9fNjzIwVW42i+23ej2a7xId11CY glJ9F28NR3du8wtSsiCXLBpv8IGoJzuKkyjVSUsucqtdae/j7C0GaWmXZErgIOlHL9cD +Lqevqy4d/UggetMCsYR27VuZdjK35h10UgFe32dZVb00Uc1/SdZP8CLdokKIY/Etzwk Uhpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=M/eeez3BcNi8tVHbYa2oBkvP6t/vK4B43HUQensSi3k=; b=tp6w4x3xh2tY6HsmL6d+ycjg8VFWHnQu9Ct9g32ZaYAA4UxPlliLWBqg0qMC86zK+z RA6T4WlOoW3qB70t2WoLaSGQFyL7fWz9BTuQ60ctg86zpvkkzOWKoew/blLyK0njYO9g llOOjD5BSEPabT7NPszGpSlXccJllaDK0mfnb/9dtk8VkzY83GNVHDd8HCTCwdSfU25X 8NInURDO9AGmhcusTffaKM26LqU7Bqg7z4NgEn2zkQsATYhb+30IeNGAkAPJLGEuHG/v EL8eFIYzmFULgWdkS1hbdyVGGJRVRub5VfKrydsLqwZjRWSsztaBp69pbT/uJc0yc+bv CFOQ== X-Gm-Message-State: AOAM533qQOJ/0IwrLjKZs3QSDG/odiACHPPiohcKDKldu+k5o9R/d53z ubzcyKqXD3pW7Wd1aGegv0+Nuw== X-Google-Smtp-Source: ABdhPJx1gsuPUNsaXFXbyVaebM4oFOMmmWAz5pvxHoEHLYLkpCRym4tCyOQ0c/34zl8r1AV4FxeNkQ== X-Received: by 2002:a05:6402:3496:: with SMTP id v22mr16781811edc.177.1638952424146; Wed, 08 Dec 2021 00:33:44 -0800 (PST) Received: from localhost ([104.245.96.202]) by smtp.gmail.com with ESMTPSA id h10sm1472866edr.95.2021.12.08.00.33.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Dec 2021 00:33:43 -0800 (PST) From: Leo Yan To: "David S. Miller" , Jakub Kicinski , Leon Romanovsky , Mathieu Poirier , Suzuki K Poulose , Mike Leach , Alexander Shishkin , Jan Harkes , coda@cs.cmu.edu, Paul Moore , Eric Paris , Balbir Singh , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, codalist@coda.cs.cmu.edu, linux-audit@redhat.com Cc: Leo Yan Subject: [PATCH v2 7/7] taskstats: Use task_is_in_init_pid_ns() Date: Wed, 8 Dec 2021 16:33:20 +0800 Message-Id: <20211208083320.472503-8-leo.yan@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211208083320.472503-1-leo.yan@linaro.org> References: <20211208083320.472503-1-leo.yan@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Replace open code with task_is_in_init_pid_ns() for checking root PID namespace. Signed-off-by: Leo Yan --- kernel/taskstats.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/taskstats.c b/kernel/taskstats.c index 2b4898b4752e..f570d8e1f001 100644 --- a/kernel/taskstats.c +++ b/kernel/taskstats.c @@ -284,7 +284,7 @@ static int add_del_listener(pid_t pid, const struct cpumask *mask, int isadd) if (current_user_ns() != &init_user_ns) return -EINVAL; - if (task_active_pid_ns(current) != &init_pid_ns) + if (!task_is_in_init_pid_ns(current)) return -EINVAL; if (isadd == REGISTER) { -- 2.25.1