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=-8.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 3D858C282D7 for ; Fri, 8 Feb 2019 18:13:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 329D6218AC for ; Fri, 8 Feb 2019 18:06:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727895AbfBHSGS (ORCPT ); Fri, 8 Feb 2019 13:06:18 -0500 Received: from gateway20.websitewelcome.com ([192.185.62.46]:37640 "EHLO gateway20.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727115AbfBHSGS (ORCPT ); Fri, 8 Feb 2019 13:06:18 -0500 Received: from cm11.websitewelcome.com (cm11.websitewelcome.com [100.42.49.5]) by gateway20.websitewelcome.com (Postfix) with ESMTP id 3BBEA400CD8B0 for ; Fri, 8 Feb 2019 12:06:17 -0600 (CST) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id sAXZgZoOQdnCesAXZgZjNF; Fri, 08 Feb 2019 12:06:17 -0600 X-Authority-Reason: nr=8 Received: from [189.250.49.191] (port=57552 helo=embeddedor) by gator4166.hostgator.com with esmtpa (Exim 4.91) (envelope-from ) id 1gsAXY-004Bi0-80; Fri, 08 Feb 2019 12:06:16 -0600 Date: Fri, 8 Feb 2019 12:06:15 -0600 From: "Gustavo A. R. Silva" To: David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] mtd: cfi_cmdset_0002: Mark expected switch fall-throughs Message-ID: <20190208180615.GA24601@embeddedor> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.9.4 (2018-02-28) 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: 189.250.49.191 X-Source-L: No X-Exim-ID: 1gsAXY-004Bi0-80 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [189.250.49.191]:57552 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 14 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. This patch fixes the following warnings: drivers/mtd/chips/cfi_cmdset_0002.c: In function ‘get_chip’: drivers/mtd/chips/cfi_cmdset_0002.c:870:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if (mode == FL_READY && chip->oldstate == FL_READY) ^ drivers/mtd/chips/cfi_cmdset_0002.c:873:2: note: here default: ^~~~~~~ drivers/mtd/chips/cfi_cmdset_0002.c: In function ‘cfi_amdstd_sync’: drivers/mtd/chips/cfi_cmdset_0002.c:2745:16: warning: this statement may fall through [-Wimplicit-fallthrough=] chip->state = FL_SYNCING; ~~~~~~~~~~~~^~~~~~~~~~~~ drivers/mtd/chips/cfi_cmdset_0002.c:2750:3: note: here case FL_SYNCING: ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enabling -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva --- drivers/mtd/chips/cfi_cmdset_0002.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 72428b6bfc47..0b0a1874d3bf 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -869,6 +869,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr /* Only if there's no operation suspended... */ if (mode == FL_READY && chip->oldstate == FL_READY) return 0; + /* fall through */ default: sleep: @@ -2747,6 +2748,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd) * as the whole point is that nobody can do anything * with the chip now anyway. */ + /* fall through */ case FL_SYNCING: mutex_unlock(&chip->mutex); break; -- 2.20.1