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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,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 0AF63C4321D for ; Thu, 16 Aug 2018 17:21:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B60102145D for ; Thu, 16 Aug 2018 17:21:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B60102145D 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 S1728702AbeHPUVa (ORCPT ); Thu, 16 Aug 2018 16:21:30 -0400 Received: from gateway34.websitewelcome.com ([192.185.148.104]:18261 "EHLO gateway34.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728312AbeHPUVa (ORCPT ); Thu, 16 Aug 2018 16:21:30 -0400 Received: from cm17.websitewelcome.com (cm17.websitewelcome.com [100.42.49.20]) by gateway34.websitewelcome.com (Postfix) with ESMTP id 1FB16163940 for ; Thu, 16 Aug 2018 12:21:44 -0500 (CDT) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id qLxef1g4dPvAdqLxof1OnW; Thu, 16 Aug 2018 12:21:43 -0500 X-Authority-Reason: nr=8 Received: from [189.250.72.226] (port=51192 helo=embeddedor) by gator4166.hostgator.com with esmtpa (Exim 4.91) (envelope-from ) id 1fqLxd-002l7H-JT; Thu, 16 Aug 2018 12:21:25 -0500 Date: Thu, 16 Aug 2018 12:21:24 -0500 From: "Gustavo A. R. Silva" To: Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart Cc: linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] futex: Mark expected switch fall-throughs Message-ID: <20180816172124.GA2407@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: 189.250.72.226 X-Source-L: No X-Exim-ID: 1fqLxd-002l7H-JT X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [189.250.72.226]:51192 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 5 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 --- kernel/futex.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/futex.c b/kernel/futex.c index 1f450e0..11fc3bb 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -3523,10 +3523,12 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout, switch (cmd) { case FUTEX_WAIT: val3 = FUTEX_BITSET_MATCH_ANY; + /* fall through */ case FUTEX_WAIT_BITSET: return futex_wait(uaddr, flags, val, timeout, val3); case FUTEX_WAKE: val3 = FUTEX_BITSET_MATCH_ANY; + /* fall through */ case FUTEX_WAKE_BITSET: return futex_wake(uaddr, flags, val, val3); case FUTEX_REQUEUE: -- 2.7.4