Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753430AbdGMPwd (ORCPT ); Thu, 13 Jul 2017 11:52:33 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:39574 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753788AbdGMPpH (ORCPT ); Thu, 13 Jul 2017 11:45:07 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Adrian Hunter , David Ahern , Jiri Olsa , Namhyung Kim , Wang Nan , Arnaldo Carvalho de Melo Subject: [PATCH 4.4 32/57] tools string: Use __fallthrough in perf_atoll() Date: Thu, 13 Jul 2017 17:42:47 +0200 Message-Id: <20170713153959.862714577@linuxfoundation.org> X-Mailer: git-send-email 2.13.2 In-Reply-To: <20170713153957.515045341@linuxfoundation.org> References: <20170713153957.515045341@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1252 Lines: 45 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Arnaldo Carvalho de Melo commit 94bdd5edb34e472980d1e18b4600d6fb92bd6b0a upstream. The implicit fall through case label here is intended, so let us inform that to gcc >= 7: CC /tmp/build/perf/util/string.o util/string.c: In function 'perf_atoll': util/string.c:22:7: error: this statement may fall through [-Werror=implicit-fallthrough=] if (*p) ^ util/string.c:24:3: note: here case '\0': ^~~~ Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-0ophb30v9apkk6o95el0rqlq@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Greg Kroah-Hartman --- tools/perf/util/string.c | 2 ++ 1 file changed, 2 insertions(+) --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -21,6 +21,8 @@ s64 perf_atoll(const char *str) case 'b': case 'B': if (*p) goto out_err; + + __fallthrough; case '\0': return length; default: