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=-22.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable 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 E0E2AC64E90 for ; Fri, 20 Nov 2020 18:38:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7C3602242B for ; Fri, 20 Nov 2020 18:38:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="aBHzvXnE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730742AbgKTShT (ORCPT ); Fri, 20 Nov 2020 13:37:19 -0500 Received: from mail.kernel.org ([198.145.29.99]:55454 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729793AbgKTShS (ORCPT ); Fri, 20 Nov 2020 13:37:18 -0500 Received: from embeddedor (187-162-31-110.static.axtel.net [187.162.31.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 15E2924124; Fri, 20 Nov 2020 18:37:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605897437; bh=4tcQynLBYFF8R4IvD4h1vdRVG+jt6uczJrx4L0hagCI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=aBHzvXnEsolriOEVZm+ZBZhfDdnNg5ZkjvjWMsENYLULfj5NkfZFWEDJBvqnHnYrb /0oW/MHBDqMUoQSVBjPwtbB7DCdQV3BFeSEohvzHj+NOet82XwE/UCFCHfkXAMIFYN Y1BMeP40udfBZij9lL/BoaUCVfOkqtYVPvRFPtnY= Date: Fri, 20 Nov 2020 12:37:23 -0600 From: "Gustavo A. R. Silva" To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH 100/141] mtd: cfi: Fix fall-through warnings for Clang Message-ID: <72b76d0aaa1bf1c5d55914c2ab330ac2c95fc629.1605896060.git.gustavoars@kernel.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple warnings by explicitly adding multiple break statements and a return instead of letting the code fall through to the next case. Link: https://github.com/KSPP/linux/issues/115 Signed-off-by: Gustavo A. R. Silva --- drivers/mtd/chips/cfi_cmdset_0001.c | 1 + drivers/mtd/chips/cfi_cmdset_0002.c | 2 ++ drivers/mtd/chips/cfi_cmdset_0020.c | 2 ++ 3 files changed, 5 insertions(+) diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 42001c49833b..b7f5e7977dcd 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -2549,6 +2549,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) anyway? The latter for now. */ printk(KERN_NOTICE "Flash device refused suspend due to active operation (state %d)\n", chip->state); ret = -EAGAIN; + break; case FL_PM_SUSPENDED: break; } diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index a1f3e1031c3d..6f6b0265c22d 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -902,6 +902,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr /* Someone else might have been playing with it. */ goto retry; } + return 0; case FL_READY: case FL_CFI_QUERY: @@ -2994,6 +2995,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd) * as the whole point is that nobody can do anything * with the chip now anyway. */ + break; case FL_PM_SUSPENDED: break; diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c index 270322bca221..d35df526e0a6 100644 --- a/drivers/mtd/chips/cfi_cmdset_0020.c +++ b/drivers/mtd/chips/cfi_cmdset_0020.c @@ -1332,6 +1332,8 @@ static int cfi_staa_suspend(struct mtd_info *mtd) * as the whole point is that nobody can do anything * with the chip now anyway. */ + break; + case FL_PM_SUSPENDED: break; -- 2.27.0