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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9584C282CE for ; Wed, 22 May 2019 22:30:36 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 919AD2173C for ; Wed, 22 May 2019 22:30:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="G2REc7z+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 919AD2173C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=embeddedor.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VbCupPrzf9ZR3dTDk5YRZrBC73wPfMFUkEnEhJ8rTbg=; b=G2REc7z+F4BIVa Icg+49Gr7C2oCkYQE2w8vdCJSiIgmrEaqUxAF20Ow58RBULmRkuyXkG27u05qRdNaG2HZUXWErIuS SQ7x2+BCtEt0uQMpxbFg/KfUjb2ThPrt0k6P8VNcRNlWx/ZyY5B/x7sOgcY8cPIz/g6xnDRVYtIlS FFz9GIGYffRQkELdY7l8hwCIzEL7flL3/L41XsBVvuUN1M0KY+i0XlDBZupEenoXuMOnBP8Fq8P1y BMsAsQid/Ewvx99ERtgSO82byXg3rPBnrUyDK+vUvmRhlyakmRAY+Syhxo8ywT8TNoo8jb1icUQ2X Ta1+9fZU3JIZ9huLQizQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hTZkn-0005iv-Fy; Wed, 22 May 2019 22:30:33 +0000 Received: from gateway21.websitewelcome.com ([192.185.45.250]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hTZkj-0005hx-DY for linux-mtd@lists.infradead.org; Wed, 22 May 2019 22:30:30 +0000 Received: from cm16.websitewelcome.com (cm16.websitewelcome.com [100.42.49.19]) by gateway21.websitewelcome.com (Postfix) with ESMTP id E285B400C48D3 for ; Wed, 22 May 2019 17:30:16 -0500 (CDT) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id TZkWhdJmk4FKpTZkWhzq7B; Wed, 22 May 2019 17:30:16 -0500 X-Authority-Reason: nr=8 Received: from [189.250.47.159] (port=52656 helo=[192.168.1.76]) by gator4166.hostgator.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.91) (envelope-from ) id 1hTZkT-0016uC-HU; Wed, 22 May 2019 17:30:15 -0500 Subject: Re: [PATCH] mtd: onenand_base: Avoid fall-through warnings To: Kees Cook , Boris Brezillon References: <20190522180446.GA30082@embeddedor> <201905221403.642AF6092@keescook> <20190522235738.68059906@collabora.com> <201905221519.88B9364E@keescook> From: "Gustavo A. R. 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <201905221519.88B9364E@keescook> Content-Language: en-US X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 189.250.47.159 X-Source-L: No X-Exim-ID: 1hTZkT-0016uC-HU X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([192.168.1.76]) [189.250.47.159]:52656 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 8 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190522_153029_541243_0CCBEF99 X-CRM114-Status: GOOD ( 11.07 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vignesh Raghavendra , Richard Weinberger , linux-kernel@vger.kernel.org, Marek Vasut , Kyungmin Park , linux-mtd@lists.infradead.org, Miquel Raynal , Brian Norris , David Woodhouse Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 5/22/19 5:20 PM, Kees Cook wrote: > On Wed, May 22, 2019 at 11:57:38PM +0200, Boris Brezillon wrote: >> All this look suspicious, and even if the fall through logic >> has no side effects in practice (which I'm still not sure is the case), >> I think it'd be better to explicitly set the flags that have >> to be set in each case statement and add breaks. > > Yeah, totally agreed. :) > Thank you, Kees and Boris for the feedback. Some external opinions were certainly much needed here. I'll just wait for any comments from the MTD guys. Thanks -- Gustavo ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/