From patchwork Thu Apr 14 13:10:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "gregkh@linuxfoundation.org" X-Patchwork-Id: 561801 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 88E33C3527C for ; Thu, 14 Apr 2022 13:39:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244633AbiDNNhi (ORCPT ); Thu, 14 Apr 2022 09:37:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244946AbiDNN2V (ORCPT ); Thu, 14 Apr 2022 09:28:21 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64DBE92D21; Thu, 14 Apr 2022 06:21:22 -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 102BFB82910; Thu, 14 Apr 2022 13:21:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F6BCC385A5; Thu, 14 Apr 2022 13:21:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649942479; bh=l7d66aP+CP5ElLEDAcENCaR7JrvXmzpPHGCIoregqro=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gk9lVol0HIQdqB7789naBQeST194xertex+2jFQBh9a1X5wV5LT/bG8q4oRZxV1OW F2Yr/cMbUMn6lnRXrD6lZrmLm34LIvXBb1oWEsRvTL5Q0XKS6Rg78tOq7cGPqKGIj5 CCMfP4KKDp5V8VOb8XuWtU6hqbTgj8O7vJnBJCko= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Randy Dunlap , Thomas Bogendoerfer , linux-mips@vger.kernel.org, "David S. Miller" , Jakub Kicinski , Phil Sutter , Florian Fainelli , Ralf Baechle , Daniel Walter , Sasha Levin Subject: [PATCH 4.19 149/338] MIPS: RB532: fix return value of __setup handler Date: Thu, 14 Apr 2022 15:10:52 +0200 Message-Id: <20220414110843.144141518@linuxfoundation.org> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220414110838.883074566@linuxfoundation.org> References: <20220414110838.883074566@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Randy Dunlap [ Upstream commit 8755d57ba1ff910666572fab9e32890e8cc6ed3b ] __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 setup_kmac(). Fixes: 9e21c7e40b7e ("MIPS: RB532: Replace parse_mac_addr() with mac_pton().") Fixes: 73b4390fb234 ("[MIPS] Routerboard 532: Support for base system") Signed-off-by: Randy Dunlap From: Igor Zhbanov Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru Cc: Thomas Bogendoerfer Cc: linux-mips@vger.kernel.org Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Phil Sutter Cc: Florian Fainelli Cc: Ralf Baechle Cc: Daniel Walter Signed-off-by: Thomas Bogendoerfer Signed-off-by: Sasha Levin --- arch/mips/rb532/devices.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index 354d258396ff..6624fe15839a 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -315,11 +315,9 @@ static int __init plat_setup_devices(void) static int __init setup_kmac(char *s) { printk(KERN_INFO "korina mac = %s\n", s); - if (!mac_pton(s, korina_dev0_data.mac)) { + if (!mac_pton(s, korina_dev0_data.mac)) printk(KERN_ERR "Invalid mac\n"); - return -EINVAL; - } - return 0; + return 1; } __setup("kmac=", setup_kmac);