Received: by 2002:a05:6a10:d5a5:0:0:0:0 with SMTP id gn37csp1208160pxb; Fri, 1 Oct 2021 06:02:20 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy6oyf+Enk0bYPeMbQiYxIGtGDCEOcz3k49ueCL5lvT/tlpY6pJBcX4qLEGIN4fXo3o18H8 X-Received: by 2002:a50:8748:: with SMTP id 8mr7730780edv.362.1633093340434; Fri, 01 Oct 2021 06:02:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1633093340; cv=none; d=google.com; s=arc-20160816; b=lseM/NwrsvXNHytOnWm0SGjI54g3HfdxQCrPtczyMalVaOWKUjFsIeVQCMDCMQtPXS YTheT0bzoV2TJnll/dpa433f4wWDz+ubTO7mceXm3dZSQdUVqqtPfGmg0YNMYBXGIOTv SUpSehypXt3aRpGehAohYzaK2UdZXR06giSmI6uCCOEG9yFLfbvU1R/kWvtd+fZu/8l+ AQQFEI2wNYCcij31tKUG4T/kvlaWMJ/dDin3ZeyfJc+OV2p6yozjjn40/jRtDQi8ll+g izOM4tynyI/dMYA5Tw+7lYyWsu7SRmC9Aoi9gsYkB+ulWb6nZDCy53zRFGsJOfyZZnbF E08Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=Z1QMPGnP58tlbfWMRrlnry9bBPI9PObXNlBv8zxOp+U=; b=f5kOk1gnLHm7ErEc1aeOHu/ibWdBPs5d1/vSErY6WTxfNmq7PFgBE4zuwE7YvAz+mN 9LhcuBntsKjv1HWiCjKCC9p9ua4vWyaqEEYIGtQeETaByPohG+doCX/BKQ+tqarkOYfs 0YzPsPG+ChZ7SyXv8d3mGr9lVyoVYC7WL3pW/3gSHL8fvGRG/IyHoLRY09JTXvAPcNIg j/R5YFoXEEjzFeBgbFrA9JwBpbT72UkrHmdkAyMoCHhMnhdKBgnPWtD5gJgVQStfsZnt sB8+dhH2oTRcaiq+mWgS178LCbO0razu0BiipEoeRPG/Xfht3huwfMzIc2ZBVut+2HHU Rgxw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=IitrVAZn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d29si7463746ejo.60.2021.10.01.06.01.52; Fri, 01 Oct 2021 06:02:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=IitrVAZn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354148AbhJAL7k (ORCPT + 99 others); Fri, 1 Oct 2021 07:59:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:43292 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230510AbhJAL7k (ORCPT ); Fri, 1 Oct 2021 07:59:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 868EF61A6F; Fri, 1 Oct 2021 11:57:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1633089476; bh=Vjg+dy9vAItiQLb0Oo9y0H4LZgIlPk1bRan5HVpoMuk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IitrVAZnOU4Uo+Ex9E30ZIidfe6/9XfmwIeYentyjgXVa+pusXNob5qilym+i5fLk zD1180QRkSemZpWEZhOYzBb8PCF4fNtCKV3MMqLi+GHgTwgAkD2Ycn1ClslVu58M88 +oo5JaY1742r8E8UzGME4tL+D/44FzeBPufS4veMDHGDGPiVZQOpKTHIBwjKcKSFqq ZPDWQE1IPkWlSyiLa7vJBHy+FO4Mf3yaR3KXVQMiVwcse96GLsh2f+5WSQZWlWqZdR zUESFd8AYy9cq+gu2SjE25hFJI+PAdxNCKRMOL8wZEqlPnUXh4H5BIOEvQV3qrD5E6 0iIApfM2vAZGA== Date: Fri, 1 Oct 2021 17:27:52 +0530 From: Vinod Koul To: "Gustavo A. R. Silva" Cc: Maxime Coquelin , Alexandre Torgue , dmaengine@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH][next] dmaengine: stm32-mdma: Use struct_size() helper in devm_kzalloc() Message-ID: References: <20210929222922.GA357509@embeddedor> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210929222922.GA357509@embeddedor> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29-09-21, 17:29, Gustavo A. R. Silva wrote: > Make use of the struct_size() helper instead of an open-coded version, > in order to avoid any potential type mistakes or integer overflows that, > in the worse scenario, could lead to heap overflows. Applied, thanks -- ~Vinod