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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24073CCA47B for ; Mon, 13 Jun 2022 10:20:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242522AbiFMKUF (ORCPT ); Mon, 13 Jun 2022 06:20:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243024AbiFMKTA (ORCPT ); Mon, 13 Jun 2022 06:19:00 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE9BE20F65; Mon, 13 Jun 2022 03:16:38 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 9B1F9B80E5E; Mon, 13 Jun 2022 10:16:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2478C34114; Mon, 13 Jun 2022 10:16:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655115396; bh=36Zrg68NAiHkWfHvcxxtjEKPT6SjuU9L+QXdBxVKI2s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GWlUjnUq4PIO9w9sQbN/YvJSvYF34wzGAevOWAL1WiPKmOXwLIsW4SCFfdQfjAADM 5yYp4DQVcHD4Y1xB2/XKbEwq9qgG4FH/dOgMT2z45TEOsUvlwb8y4DlUeG16+PkgbC vmywfu7FUsO1WdErWBnhmO3sUccK8F9SQ2bwuYSk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Igor Zhbanov , Randy Dunlap , Michael Ellerman , Sasha Levin Subject: [PATCH 4.9 069/167] powerpc/idle: Fix return value of __setup() handler Date: Mon, 13 Jun 2022 12:09:03 +0200 Message-Id: <20220613094857.090154454@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220613094840.720778945@linuxfoundation.org> References: <20220613094840.720778945@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Randy Dunlap [ Upstream commit b793a01000122d2bd133ba451a76cc135b5e162c ] __setup() handlers should return 1 to obsolete_checksetup() in init/main.c to indicate that the boot option has been handled. A return of 0 causes the boot option/value to be listed as an Unknown kernel parameter and added to init's (limited) argument or environment strings. Also, error return codes don't mean anything to obsolete_checksetup() -- only non-zero (usually 1) or zero. So return 1 from powersave_off(). Fixes: 302eca184fb8 ("[POWERPC] cell: use ppc_md->power_save instead of cbe_idle_loop") Reported-by: Igor Zhbanov Signed-off-by: Randy Dunlap Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220502192925.19954-1-rdunlap@infradead.org Signed-off-by: Sasha Levin --- arch/powerpc/kernel/idle.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index d7216c9abda1..ca79aacfeda2 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -41,7 +41,7 @@ static int __init powersave_off(char *arg) { ppc_md.power_save = NULL; cpuidle_disable = IDLE_POWERSAVE_OFF; - return 0; + return 1; } __setup("powersave=off", powersave_off); -- 2.35.1