Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp3660322pxu; Sun, 11 Oct 2020 19:11:20 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxSxgd6C7f2zlsN2zyYV0IhySH4XS9gkBldWA8jJ8e/RZngRmFd9/mxIHW6YXk/NswahXWi X-Received: by 2002:aa7:d948:: with SMTP id l8mr11947723eds.159.1602468680566; Sun, 11 Oct 2020 19:11:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1602468680; cv=none; d=google.com; s=arc-20160816; b=qcnXpZ1ngG++/f43lX+8F1oC7tU8EE4lKFPeW2NbDDZYEZfjs7H2KjWDIQem8kAPWb ZFdeksTAJsK2n/1kA2ulq27xVq/Znu1aU0aK/7pTTt0I3R48gVcA5G18FC3g2gcSSZe6 mYiKMbq90mMR5+gTPm9bsMMbcnKOttkF8NU2rZj1ANmMrkkqqthiLuV+2OEdircrlIUP XGNwi/ziq5I1BBmX5yLnPMBVAXubAHb5eCa9rc5LGZ+45HQk6JGdlxPSOUNGP3yhbHGx xI7px8bAwsjcPGwfbFcqZUm4uMiuL9mz0XZ5RSzNWCHdwNqVsiOpBezGFR0mZkGWJt3l m4jQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=2M6UkCdPor/fY59jORI7T/+9FR6xj1OOYkDB+lMXU9c=; b=LMQywa2Wu+GLbN+kmwK5Ej70xqdMXnHw1+lTABC+jpMaNsxNLFceKU/0rii04/2kdD Rt3GKeVQ19NOZlWXN8cJeElQUh5/NbJZxSf4AqEAopsZZkD9MWIv6RVIOvmEpjL4NPrz J+GVzSyzIaRE9ZLsuzuxAPQmDzP+J2YbSLc8rE8lmjp1OUKfXCfKWILNPjouMTAe0f1i +gEUbsfmOsG5XzWYMAh20wCPY/VsgMrMbC/UKzximER7/qSExdUYGufhnzmIg4mMFa2i o9h33nePVYJ8rjMRpQnpsGL+6lSrq17VdMO2eoqmJj/gJ5kpx3Zs6ZktzkxgSkhSttkU 3BWg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@aepfle.de header.s=strato-dkim-0002 header.b=V7CZ7NEa; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h10si6444518edk.242.2020.10.11.19.10.57; Sun, 11 Oct 2020 19:11:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@aepfle.de header.s=strato-dkim-0002 header.b=V7CZ7NEa; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726593AbgJKTAl (ORCPT + 99 others); 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-kernel@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 :=