From patchwork Wed Aug 16 12:51:28 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 9903717 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0C59A6038C for ; Wed, 16 Aug 2017 12:55:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F2C64289CD for ; Wed, 16 Aug 2017 12:55:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E7DC7289E0; Wed, 16 Aug 2017 12:55:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9725B289CD for ; Wed, 16 Aug 2017 12:55:17 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dhxo9-0008Gb-HG; Wed, 16 Aug 2017 12:52:25 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dhxo8-0008Fz-LA for xen-devel@lists.xenproject.org; Wed, 16 Aug 2017 12:52:24 +0000 Received: from [193.109.254.147] by server-8.bemta-6.messagelabs.com id 45/2C-09901-70044995; Wed, 16 Aug 2017 12:52:23 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrILMWRWlGSWpSXmKPExsVyuP0Ovy67w5R Ig+W/5S2+b5nM5MDocfjDFZYAxijWzLyk/IoE1ozNaz4zFXRzVfR3NDE3MC7j6GLk5JAQMJJ4 O/EfUxcjF4eQwEJGidm7vrGDJNgEVCU2XD/FCmKLCChJ3Fs1mQnEZhYol7h1+CQbiC0skCax4 tl5FhCbBaj+dk8rWD2vgLFE440GFogF8hIdByaD2ZwCJhKTNxwDs4WAarb3NLJPYORewMiwil G9OLWoLLVI10QvqSgzPaMkNzEzR9fQwEwvN7W4ODE9NScxqVgvOT93EyPQuwxAsIOx+7L/IUZ JDiYlUd4grSmRQnxJ+SmVGYnFGfFFpTmpxYcYZTg4lCR459gC5QSLUtNTK9Iyc4BhBpOW4OBR EuFNA0nzFhck5hZnpkOkTjHqcrya8P8bkxBLXn5eqpQ4b6YdUJEASFFGaR7cCFjIX2KUlRLmZ QQ6SoinILUoN7MEVf4VozgHo5IwrwbIFJ7MvBK4Ta+AjmACOuJK+ySQI0oSEVJSDYyZsz74uM w8pnCpoE3n+dmH/rM+5gWpn2eautDUZvaUUlu2NJYj+kIqFict1/pcmrt2a+b3Le+eXO05rlQ xv/KHcdacdVYnzc0jjj5QTy3IWVKsGH0gKcrnqeEulcrvGZv5RR8oXZ3I9365XGKc8tbMqW25 zKnx71e/aj1oN+Wdktc7N5fu5CwlluKMREMt5qLiRAC6WNu+dAIAAA== X-Env-Sender: jgross@suse.com X-Msg-Ref: server-11.tower-27.messagelabs.com!1502887943!80253478!1 X-Originating-IP: [195.135.220.15] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 64672 invoked from network); 16 Aug 2017 12:52:23 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-11.tower-27.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 16 Aug 2017 12:52:23 -0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 0C431AE57; Wed, 16 Aug 2017 12:52:23 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Wed, 16 Aug 2017 14:51:28 +0200 Message-Id: <20170816125219.5255-2-jgross@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20170816125219.5255-1-jgross@suse.com> References: <20170816125219.5255-1-jgross@suse.com> Cc: Juergen Gross , Julien Grall , Stefano Stabellini Subject: [Xen-devel] [PATCH v3 01/52] xen/arch/arm/acpi/boot.c: let custom parameter parsing routines return errno X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP Modify the custom parameter parsing routines in: xen/arch/arm/acpi/boot.c to indicate whether the parameter value was parsed successfully. Cc: Stefano Stabellini Cc: Julien Grall Signed-off-by: Juergen Gross Acked-by: Wei Liu Acked-by: Julien Grall --- xen/arch/arm/acpi/boot.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/xen/arch/arm/acpi/boot.c b/xen/arch/arm/acpi/boot.c index 889208a0ea..46b4352d01 100644 --- a/xen/arch/arm/acpi/boot.c +++ b/xen/arch/arm/acpi/boot.c @@ -193,16 +193,20 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table) static bool_t __initdata param_acpi_off; static bool_t __initdata param_acpi_force; -static void __init parse_acpi_param(char *arg) +static int __init parse_acpi_param(const char *arg) { if ( !arg ) - return; + return -EINVAL; /* Interpret the parameter for use within Xen. */ if ( !parse_bool(arg) ) param_acpi_off = true; else if ( !strcmp(arg, "force") ) /* force ACPI to be enabled */ param_acpi_force = true; + else + return -EINVAL; + + return 0; } custom_param("acpi", parse_acpi_param);