Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp69879ybi; Tue, 16 Jul 2019 16:24:08 -0700 (PDT) X-Google-Smtp-Source: APXvYqyweZSTV1uOh0SjPMsaNKyzzoabmfRFb28RnQfG9+dGuyXwgIybLJQ6NKknpALpjJkxCI4u X-Received: by 2002:a65:584f:: with SMTP id s15mr21159232pgr.175.1563319448716; Tue, 16 Jul 2019 16:24:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563319448; cv=none; d=google.com; s=arc-20160816; b=M2G1dZ/2ypuDipKlyjvqG1tClNasFBn1D+NJTbNxdr1HWeiPd1u54J+KGTg0L3MXB9 PPYDaW7zNo875q0hGOjnCMQ8boIpu5PYdkGz0SWk8viduVKIMbI0ZVTCxSCjbqRtniWo n/on6kuumzr8Pf+tr8OujS/mBIP7YwHFIX7qsPhQ1kvCxr0r3b9RkhdXDCV8nXIbaMyr e2ezoROH9GUhFCgZWiwzps4kjj3ddO8haqS8w9eThIiNoWLyUcbgObc4eKTzKiNqruFQ FaWHqsfV26tkf/1bo8YUnE13ALeQkxCqG/ONClAszK2VKhkaQFNK4dnJ5Mg+e3BBsSOJ EFgA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=yjpiai5hkCYLL6Diojv89YWK7LVysGGzfUoUrfBoeQ4=; b=I8ThP2mEoP1t7wJU/wsixqFlJR46QHWc8kCmaQgpR4IqvV38VW9Co/IONraj9KAdVQ +rI75aegZI2KABGHUqkRJUOverhejGreXjFZ+9N46kxoGZcWvCFzYlbcuuUhHW0Q+uPM mXHAzf9NTiq7tGL7o9RwpJ7e6lWZnprX7lfkPs/gJQv0/cwAUAEewm+dq8Fjgt99qHNq 8+cCE8GG9TRoE+CSbAbb/J6wMT/+Og8Ag64iV2gdQEEaAgT9oNitJXxvn8kWi0BWnpDa lTqv/y5MHiFik4I5tUF1N+hvCIzsnOVbEwNQMhxc3dg83nYQ4nAkli4FomuPVhHadb4v gx6Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=RpCqwPCv; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q1si21052158pgv.58.2019.07.16.16.23.52; Tue, 16 Jul 2019 16:24:08 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=RpCqwPCv; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388992AbfGPXWv (ORCPT + 99 others); Tue, 16 Jul 2019 19:22:51 -0400 Received: from mail-vk1-f196.google.com ([209.85.221.196]:40300 "EHLO mail-vk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728699AbfGPXWv (ORCPT ); Tue, 16 Jul 2019 19:22:51 -0400 Received: by mail-vk1-f196.google.com with SMTP id s16so4561103vke.7 for ; Tue, 16 Jul 2019 16:22:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=yjpiai5hkCYLL6Diojv89YWK7LVysGGzfUoUrfBoeQ4=; b=RpCqwPCvhvOPAtlSlatjK+atlcOC50FQcSClS0zKZgzBPDO/DW9MiVWDoZF58z5MdB fnyNbMK3RMD8HWeS3xtOcaJ5UaNwSop31ZerBzqTWC0XCvKIsd1S8s95vHljNbcIZWXE fI5qKOqIfdpP3Hm/+0L6i62IX70ZMgzJc4HqcoGlLbXi3l0P+f6a+f0T1CMKj356LoWd mH1CD9c8Pr7oWbnQkDunKHAZE7tI6iiPcWQyHiGGYiNIZQhRWEAvw4YNZho4wxeVkn8U AVpyxNe1w6+FrA59cJIayB2b/wKm+AVSzszC68evKv0kBMXA36YaJRP0LTi1WGRp4Zfu oi1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=yjpiai5hkCYLL6Diojv89YWK7LVysGGzfUoUrfBoeQ4=; b=MqPBDWB5jptijezC95aUNUBH7P6l31yAAPLoHdwhPzcd6ctAjnAcTaTXxQ/4+w6Dvi tOuVgkckhMvcqntnLh3++N+qbDAerIn2CCyr/tU1JO3yzMXOSEZLqlV6IAGex8eMd6M2 giYtI/nxIPh3NKkltFCm3T9dV/C02bUtYEArRBe8+feHIyPs47i+os0xuEozlpdl65hO X8bwXI0tGo05R0s2heAWqNTE5CpokFbd34z0j4TTTKJ2S2s2UYVBfAgUJ6Dlh+/kLIto eVHzeyd5jojmmHBZF8egV3UU25FBaWSBT09cTN4xEnvcrST/L3BWzmv+aUbRqO0rtpRg rtFA== X-Gm-Message-State: APjAAAWecLkJGmm5GkztEHmCNMRfdwlgyKTWmk47gSi7+CW+K1B9Nwaz G00lJCELfecKLxH2MsENj3alGzJqUbVozsEyvXbKuA== X-Received: by 2002:a1f:3dc1:: with SMTP id k184mr13794381vka.24.1563319369484; Tue, 16 Jul 2019 16:22:49 -0700 (PDT) MIME-Version: 1.0 References: <20190715195946.223443-1-matthewgarrett@google.com> <20190715195946.223443-28-matthewgarrett@google.com> <20190716191439.59a1ac32@gandalf.local.home> In-Reply-To: <20190716191439.59a1ac32@gandalf.local.home> From: Matthew Garrett Date: Tue, 16 Jul 2019 16:22:38 -0700 Message-ID: Subject: Re: [PATCH V35 27/29] tracefs: Restrict tracefs when the kernel is locked down To: Steven Rostedt Cc: James Morris , LSM List , Linux Kernel Mailing List , Linux API Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 16, 2019 at 4:14 PM Steven Rostedt wrote: > Small nit, but please add this as the first declaration, to keep the > "upside-down x-mas tree" look. I know some of the other functions in > this file don't follow that (which should be cleaned up some day), but > I'd like to avoid adding more that breaks the aesthetic of the code. ACK. > > + > > + if (fops) > > I think you meant "if (!fops)". Blink. Whoops! Yup.