From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755221Ab3ETHto (ORCPT ); Mon, 20 May 2013 03:49:44 -0400 Received: from intranet.asianux.com ([58.214.24.6]:14910 "EHLO intranet.asianux.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754240Ab3ETHtn (ORCPT ); Mon, 20 May 2013 03:49:43 -0400 X-Spam-Score: -100.8 Message-ID: <5199D565.4070307@asianux.com> Date: Mon, 20 May 2013 15:48:53 +0800 From: Chen Gang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: "mingo@redhat.com" , peterz@infradead.org CC: "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Subject: [PATCH] kernel/sched/core.c: need return NULL when BUG() is defined as empty. Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When neither CONFIG_BUG nor HAVE_ARCH_BUG is defined, need let function return failure value ('NULL') instead of random value. It is generated by randconfig with MMU for arm s5pv210 with EXTRA_CFALGS=-W. The related warnings: kernel/sched/core.c:2353:1: warning: control reaches end of non-void function [-Wreturn-type] Signed-off-by: Chen Gang --- kernel/sched/core.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 9ff7744..94ef8ff 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2350,6 +2350,7 @@ pick_next_task(struct rq *rq) } BUG(); /* the idle class will always have a runnable task */ + return NULL; } /* -- 1.7.7.6