Received: by 2002:ac0:a594:0:0:0:0:0 with SMTP id m20-v6csp1835872imm;
        Thu, 24 May 2018 01:24:47 -0700 (PDT)
X-Google-Smtp-Source: AB8JxZriqul+gcOt091sxQmBTt8QQPvZ7N0HcwoNIgRMMz2CsDNzB0GyVBJYB3gRltdXkmq5n19r
X-Received: by 2002:a17:902:8486:: with SMTP id c6-v6mr6366099plo.23.1527150287888;
        Thu, 24 May 2018 01:24:47 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1527150287; cv=none;
        d=google.com; s=arc-20160816;
        b=hSrhYu+LLb+/UiqqAcMbgQ8DSumyHTkzWsp8I47ytvfBbvz7bdIlOSNZFqcS/eZz5Q
         G663Rt+qt17Xt+W/gLowMRKJIxZ0NfsNUmUFwTgxpXMUtAoio1KwSfTKgqFSq+jjuYuG
         9e94hsh/qRYsW710Kop+FL+XB7fNs6y6qf5S5RozPKPIkfcoXy+Wn9SIJl6lUnz0Nlqw
         OXCJS87oldo0Ofi2y2yJjGZ5XqrDUcwpy0PaEdyPZxSzu4+GXbjno+V9DxzYZzv4q89Y
         H1EpbqzejFBmt45tMi82OLsQf7SHNs1KmZwCyYfQDmlrcL9VJhXwz2gXSgC3S2wf07np
         OjPw==
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
         :references:in-reply-to:mime-version:dkim-signature
         :arc-authentication-results;
        bh=wjCtU204euW+2NtpG+SIagnSi1UPYc/fLkYoBOJDOr4=;
        b=nXc/zjtuyGMEgEj9IXFORY2nBa1jDpY7m8NQ8NCkHEGcB8kZUjQWe+JrPqYBHFAkD+
         Ic1IMLLBE+Lq11In72TbkZbOEgXtBQ/ja1qySHxtGE4aSFLHHvMA0TEgDbJWn/F6uDSX
         O/BpRQu/Xw8o6K5C7W2Ree6ZOsmdwzRmMiPffgGI5q5LY/gTTuMsFzemjy40pxf861zR
         ghwKp5XuIIWlQWYaFyiifV1wlJuWPl8QhEzH8g9cu5z63mUWEOMDJBXZYL3KeQIr6YCq
         +xPsaqP5F3TffjBbV+qOI1xHMgwtapmqAq0owK3AJtkEGRfgxUFqas0sfqXS0VJzU7tU
         8s1w==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@linaro.org header.s=google header.b=MsT1vAcX;
       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=NONE sp=NONE dis=NONE) header.from=linaro.org
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67])
        by mx.google.com with ESMTP id e63-v6si20596083pfd.261.2018.05.24.01.24.32;
        Thu, 24 May 2018 01:24:47 -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=@linaro.org header.s=google header.b=MsT1vAcX;
       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=NONE sp=NONE dis=NONE) header.from=linaro.org
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S965055AbeEXIXU (ORCPT <rfc822;jimmypw@gmail.com> + 99 others);
        Thu, 24 May 2018 04:23:20 -0400
Received: from mail-it0-f65.google.com ([209.85.214.65]:53257 "EHLO
        mail-it0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S935691AbeEXIXQ (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Thu, 24 May 2018 04:23:16 -0400
Received: by mail-it0-f65.google.com with SMTP id n64-v6so1299901itb.3
        for <linux-kernel@vger.kernel.org>; Thu, 24 May 2018 01:23:15 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=linaro.org; s=google;
        h=mime-version:in-reply-to:references:from:date:message-id:subject:to
         :cc;
        bh=wjCtU204euW+2NtpG+SIagnSi1UPYc/fLkYoBOJDOr4=;
        b=MsT1vAcXHUuYyfSbHQetmb7kSGhAxPGgV3SP4Zu+SbGB5hitiVO0tXEfFS4k0SBNTD
         6IqsKWVIMTNeEwwhlyWQq5fMr+95KAWybVvlIeU8RBO2jZpNDlI30OmCSFvZV83tTi0i
         WF6Bby0/JiGn9jf5ZVAtQnrl7o6G6U5bE0CYw=
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20161025;
        h=x-gm-message-state:mime-version:in-reply-to:references:from:date
         :message-id:subject:to:cc;
        bh=wjCtU204euW+2NtpG+SIagnSi1UPYc/fLkYoBOJDOr4=;
        b=C78eICyLHYTY7NJcUlT7tYFxoUXNti6/8740iQZGCvyZzI0tLDYsaVAypJILoBlKzt
         Vg8fvNIfOHp6TPh8RrKpVDKdf2mjMZiwtNnciXk8o2NAe7i0TjrCXSyPAcajmnCjjOP9
         ja9CYB0zbD4OHzdse26G8cYlcE0KvBu83daPTDAy0ecaRDwm7m4iFyykCScnPv4QV7va
         0PZkxGTJAEJFPB3Gofnc49UNkIAx66bq/Je1Z0YztMtUqYEMu4sngiS74F9NEx7gUDch
         EGN7t5bDC3N4ZPkx6ZivK4oDcWmKniEmd4mOChEUM/NTXKDUzDUz19+p9lRJlxpSGJPW
         9/1g==
X-Gm-Message-State: ALKqPweQdSwXGE/kbbFNdeTbzj+8Yrqvg+R1zdEqZyZ9xrexglEZzc2T
        SnUqm+dbb9RUREAGGvpGL+z0qRoIvcT0+FXPfh/4Sw==
X-Received: by 2002:a24:c146:: with SMTP id e67-v6mr8194697itg.70.1527150195532;
 Thu, 24 May 2018 01:23:15 -0700 (PDT)
MIME-Version: 1.0
Received: by 2002:a4f:78c9:0:0:0:0:0 with HTTP; Thu, 24 May 2018 01:23:14
 -0700 (PDT)
In-Reply-To: <20180328175957.23904-1-labbott@redhat.com>
References: <20180328175957.23904-1-labbott@redhat.com>
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Thu, 24 May 2018 10:23:14 +0200
Message-ID: <CACRpkdZWtdePWwGZ=1w_8CTz3STt+cVJv7hQAigYHFi1gm6fKA@mail.gmail.com>
Subject: Re: [PATCH v3] gpio: Remove VLA from stmpe driver
To:     Laura Abbott <labbott@redhat.com>
Cc:     Kees Cook <keescook@chromium.org>,
        Patrice Chotard <patrice.chotard@st.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        kernel-hardening@lists.openwall.com
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Mar 28, 2018 at 7:59 PM, Laura Abbott <labbott@redhat.com> wrote:

> The new challenge is to remove VLAs from the kernel
> (see https://lkml.org/lkml/2018/3/7/621)
>
> The number of GPIOs on the supported chips is fairly small
> so stack allocate to a known upper bound and spit out a warning
> if any new chips have more gpios.
>
> Signed-off-by: Laura Abbott <labbott@redhat.com>

Patch applied with the review tags!

Yours,
Linus Walleij