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 A030CCCA486 for ; Wed, 8 Jun 2022 00:38:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1390578AbiFHAgh (ORCPT ); Tue, 7 Jun 2022 20:36:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1384377AbiFGVyb (ORCPT ); Tue, 7 Jun 2022 17:54:31 -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 6AFE224ACAE; Tue, 7 Jun 2022 12:13:28 -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 8A824B8237B; Tue, 7 Jun 2022 19:13:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02177C385A2; Tue, 7 Jun 2022 19:13:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654629205; bh=rErfl5eEDB3p0z9t/ZqOeXDL0w1kyG5P6kY7CDdLFXA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hKn97rOcJWRY+c5AeznycFpd6Zk4YVeHoDVdosZRQS7qqCIKL6cvflnIH98c9yWwf Nfhb1IPdpJplEmm3oWorRnYRbn5AThMPeRgQT6m2IpTLTMj5Xrq54H5Q7WzIJ+KSvM gugBtaAPwzBO2Cu9tn2Bvs15KE/N6BHGYhoX0T7c= 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 5.18 607/879] powerpc/idle: Fix return value of __setup() handler Date: Tue, 7 Jun 2022 19:02:05 +0200 Message-Id: <20220607165020.469487811@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607165002.659942637@linuxfoundation.org> References: <20220607165002.659942637@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 4ad79eb638c6..77cd4c5a2d63 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -37,7 +37,7 @@ 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