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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 386A7C3279B for ; Mon, 2 Jul 2018 17:57:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E195621A56 for ; Mon, 2 Jul 2018 17:57:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E195621A56 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-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753249AbeGBR5m (ORCPT ); Mon, 2 Jul 2018 13:57:42 -0400 Received: from gateway32.websitewelcome.com ([192.185.145.107]:39786 "EHLO gateway32.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752606AbeGBR5l (ORCPT ); Mon, 2 Jul 2018 13:57:41 -0400 Received: from cm15.websitewelcome.com (cm15.websitewelcome.com [100.42.49.9]) by gateway32.websitewelcome.com (Postfix) with ESMTP id AAE7D1448C for ; Mon, 2 Jul 2018 12:57:40 -0500 (CDT) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id a34nf7TsobXuJa34wfI3jA; Mon, 02 Jul 2018 12:57:40 -0500 X-Authority-Reason: nr=8 Received: from [189.250.65.56] (port=36284 helo=embeddedor) by gator4166.hostgator.com with esmtpa (Exim 4.91) (envelope-from ) id 1fa34m-002LOi-Jm; Mon, 02 Jul 2018 12:57:24 -0500 Date: Mon, 2 Jul 2018 12:57:24 -0500 From: "Gustavo A. R. Silva" To: Arnd Bergmann , Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] /dev/mem: Mark expected switch fall-through Message-ID: <20180702175724.GA21818@embeddedor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) 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 - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 189.250.65.56 X-Source-L: No X-Exim-ID: 1fa34m-002LOi-Jm X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [189.250.65.56]:36284 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 12 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva --- drivers/char/mem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/mem.c b/drivers/char/mem.c index ffeb60d..4b00d6a 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -765,6 +765,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig) switch (orig) { case SEEK_CUR: offset += file->f_pos; + /* fall through */ case SEEK_SET: /* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */ if ((unsigned long long)offset >= -MAX_ERRNO) { -- 2.7.4