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,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 89256C4363D for ; Mon, 5 Oct 2020 10:22:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E21F2078E for ; Mon, 5 Oct 2020 10:22:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=aepfle.de header.i=@aepfle.de header.b="gWCJmJyB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725960AbgJEKWn (ORCPT ); Mon, 5 Oct 2020 06:22:43 -0400 Received: from mo4-p00-ob.smtp.rzone.de ([81.169.146.218]:21254 "EHLO mo4-p00-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725887AbgJEKWm (ORCPT ); Mon, 5 Oct 2020 06:22:42 -0400 X-Greylist: delayed 362 seconds by postgrey-1.27 at vger.kernel.org; Mon, 05 Oct 2020 06:22:42 EDT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1601893361; 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=KC64h9Wjos6xET3WvOm4lJYRQC6864ZNKSLmRbyaOD0=; b=gWCJmJyB/yV1bi7Dr86XfLy9uAWJusnR1VreJCCtVWwE/xfCIOdzL0suaWBfCBq+Ne QRr82lgQ2v6Z1pJl28gWZAhvVdr4NR8uRQTHiLLJ0xeQPD5aSOIuxdtXGBHcGokNXmTg gD6+51eWes4CcNmKl0PFqR/Zo+3DscF2qNJM4bbx3WZoXunlWFG47cF88gafUcwMuhmx 6kj+ztey2X6qd38o6aiz6u9ySlq2ne2KcqwReZBEmOfuuM9AUslDwwU6AVqNU2sacr5c MGYwPZ9jiykLAnjzIKpvy+Ykw6LjDyMUz9Od4rgZUbIGvS4Gxdh87d1trzKslX/dnYY/ MptQ== 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 e003b5w95AAeAb5 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256 bits)) (Client did not present a certificate); Mon, 5 Oct 2020 12:10:40 +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 v1] kbuild: enforce -Werror=return-type Date: Mon, 5 Oct 2020 12:10:26 +0200 Message-Id: <20201005101026.21951-1-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 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Makefile b/Makefile index f84d7e4ca0be..7b2e63e7be18 100644 --- a/Makefile +++ b/Makefile @@ -942,6 +942,9 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) # enforce correct pointer usage KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types) +# enforce correct return type +KBUILD_CFLAGS += $(call cc-option,-Werror=return-type) + # Require designated initializers for all marked structures KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init)