From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751421AbWIZFqv (ORCPT ); Tue, 26 Sep 2006 01:46:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751415AbWIZFqQ (ORCPT ); Tue, 26 Sep 2006 01:46:16 -0400 Received: from ns1.suse.de ([195.135.220.2]:64225 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1751425AbWIZFkF (ORCPT ); Tue, 26 Sep 2006 01:40:05 -0400 From: Greg KH To: linux-kernel@vger.kernel.org Cc: Andrew Morton , Greg Kroah-Hartman Subject: [PATCH 38/47] add CONFIG_ENABLE_MUST_CHECK Date: Mon, 25 Sep 2006 22:37:58 -0700 Message-Id: <11592492061208-git-send-email-greg@kroah.com> X-Mailer: git-send-email 1.4.2.1 In-Reply-To: <11592492023883-git-send-email-greg@kroah.com> References: <20060926053728.GA8970@kroah.com> <1159249087369-git-send-email-greg@kroah.com> <11592490903867-git-send-email-greg@kroah.com> <11592490933346-git-send-email-greg@kroah.com> <1159249096460-git-send-email-greg@kroah.com> <11592490993970-git-send-email-greg@kroah.com> <11592491023995-git-send-email-greg@kroah.com> <1159249104512-git-send-email-greg@kroah.com> <11592491082990-git-send-email-greg@kroah.com> <1159249111668-git-send-email-greg@kroah.com> <11592491152668-git-send-email-greg@kroah.com> <115924911859-git-send-email-greg@kroah.com> <11592491211162-git-send-email-greg@kroah.com> <1159249124371-git-send-email-greg@kroah.com> <11592491274168-git-send-email-greg@kroah.com> <11592491303012-git-send-email-greg@kroah.com> <11592491342421-git-send-email-greg@kroah.com> <11592491371254-git-send-email-greg@kroah.com> <1159249140339-git-send-email-greg@kroah.com> <11592491451786-git-send-email-greg@kroah.com> <11592491482560-git-send-email-greg@kroah.com> <11592491512 235-git-send-email-greg@kroah.com> <11592491551919-git-send-email-greg@kroah.com> <11592491581007-git-send-email-greg@kroah.com> <11592491611339-git-send-email-greg@kroah.com> <11592491643725-git-send-email-greg@kroah.com> <11592491672052-git-send-email-greg@kroah.com> <11592491704137-git-send-email-greg@kroah.com> <11592491744040-git-send-email-greg@kroah.com> <1159249177618-git-send-email-greg@kroah.com> <11592491803904-git-send-email-greg@kroah.com> <11592491833450-git-send-email-greg@kroah.com> <11592491862904-git-send-email-greg@kroah.com> <11592491901464-git-send-email-greg@kroah.com> <11592491924093-git-send-email-greg@kroah.com> <1159249196427-git-send-email-greg@kroah.com> <1159249200793-git-send-email-greg@kroah.com> <11592492023883-git-send-email-greg@kroah.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Andrew Morton Those 1500 warnings can be a bit of a pain. Add a config option to shut them up. Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- include/linux/compiler.h | 5 +++++ lib/Kconfig.debug | 7 +++++++ 2 files changed, 12 insertions(+), 0 deletions(-) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 9b4f110..060b961 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -99,6 +99,11 @@ #ifndef __must_check #define __must_check #endif +#ifndef CONFIG_ENABLE_MUST_CHECK +#undef __must_check +#define __must_check +#endif + /* * Allow us to avoid 'defined but not used' warnings on functions and data, * as well as force them to be emitted to the assembly file. diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 554ee68..5c114c3 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -8,6 +8,13 @@ config PRINTK_TIME operations. This is useful for identifying long delays in kernel startup. +config ENABLE_MUST_CHECK + bool "Enable __must_check logic" + default y + help + Enable the __must_check logic in the kernel build. Disable this to + suppress the "warning: ignoring return value of 'foo', declared with + attribute warn_unused_result" messages. config MAGIC_SYSRQ bool "Magic SysRq key" -- 1.4.2.1