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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 49469C433DF for ; Sun, 11 Oct 2020 19:00:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF371207FB for ; Sun, 11 Oct 2020 19:00:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=aepfle.de header.i=@aepfle.de header.b="V7CZ7NEa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726461AbgJKTAl (ORCPT ); Sun, 11 Oct 2020 15:00:41 -0400 Received: from mo4-p00-ob.smtp.rzone.de ([85.215.255.20]:16882 "EHLO mo4-p00-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725855AbgJKTAl (ORCPT ); Sun, 11 Oct 2020 15:00:41 -0400 X-Greylist: delayed 354 seconds by postgrey-1.27 at vger.kernel.org; Sun, 11 Oct 2020 15:00:40 EDT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1602442839; s=strato-dkim-0002; d=aepfle.de; h=Message-Id:Date:Subject:Cc:To:From:X-RZG-CLASS-ID:X-RZG-AUTH:From: Subject:Sender; bh=2M6UkCdPor/fY59jORI7T/+9FR6xj1OOYkDB+lMXU9c=; b=V7CZ7NEaGzZ7Cd+vvrC9cig34/nhR9HfDoILOgbiEYm5mc4gVzwVXkyyD7pweI3qxI QSbXtlRsasiGANUbKkxM9O3RMYm1PZgVCyqwCWrevQdGcgUmK1PuHr7Z5LjUAbbZzLVh MKnix4QhcD31Iy+PfyiloI9zVm5K8iYBMTiLimkM36eN5Z3c88jD1o58CPU3ODkQuYa1 ycNkkQHZQP09lGsewekJ9skGonI1abLrCOVvEkrAkBjXcnzrlaq6uN6/ALzrijgNgxPw 0IT7Y/vrtM0D8vZQXtj3clfy3fAN5+iiv1d6V3T97zlUbWcR5DGWKcfBjkUmuLnlwJhs H1SA== X-RZG-AUTH: ":P2EQZWCpfu+qG7CngxMFH1J+3q8wa/QXkBR9MXjAuzBW/OdlBZQ4AHSS3G5Jjw==" X-RZG-CLASS-ID: mo00 Received: from sender by smtp.strato.de (RZmta 47.2.1 DYNA|AUTH) with ESMTPSA id e003b5w9BIsbbf2 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256 bits)) (Client did not present a certificate); Sun, 11 Oct 2020 20:54:37 +0200 (CEST) From: Olaf Hering To: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Olaf Hering , Masahiro Yamada , Michal Marek Subject: [PATCH v2] kbuild: enforce -Werror=return-type Date: Sun, 11 Oct 2020 20:54:31 +0200 Message-Id: <20201011185431.24094-1-olaf@aepfle.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org Catch errors which at least gcc tolerates by default: warning: 'return' with no value, in function returning non-void [-Wreturn-type] Signed-off-by: Olaf Hering --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index f84d7e4ca0be..965e7259e6e8 100644 --- a/Makefile +++ b/Makefile @@ -497,7 +497,7 @@ KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ -Werror=implicit-function-declaration -Werror=implicit-int \ - -Wno-format-security \ + -Werror=return-type -Wno-format-security \ -std=gnu89 KBUILD_CPPFLAGS := -D__KERNEL__ KBUILD_AFLAGS_KERNEL :=