From patchwork Mon Aug 14 07:07:58 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: 9898217 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 C394C6038C for ; Mon, 14 Aug 2017 07:12:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B1BBD26E4A for ; Mon, 14 Aug 2017 07:12:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9942F285CA; Mon, 14 Aug 2017 07:12:17 +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 85024285B0 for ; Mon, 14 Aug 2017 07:12:15 +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 1dh9Uj-0003bv-FE; Mon, 14 Aug 2017 07:09:01 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dh9Uh-0003ar-KO for xen-devel@lists.xenproject.org; Mon, 14 Aug 2017 07:08:59 +0000 Received: from [85.158.137.68] by server-6.bemta-3.messagelabs.com id EF/FF-02181-A8C41995; Mon, 14 Aug 2017 07:08:58 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrALMWRWlGSWpSXmKPExsVyuP0Ov26Xz8R Ig1uPBS2+b5nM5MDocfjDFZYAxijWzLyk/IoE1owz934xFVznrJi3fj9LA+N39i5GTg4JASOJ txP/MXUxcnEICSxklFhyYRMbSIJNQFViw/VTrCC2iICSxL1Vk5lAbGaBcolbh08C1XBwCAukS dxanQASZgEqP7//BlgJr4CJxIaPm9kg5stLdByYzAJicwqYSlzatxTMFgKq6dvaxTKBkXsBI8 MqRvXi1KKy1CJdU72kosz0jJLcxMwcXUMDY73c1OLixPTUnMSkYr3k/NxNjEDf1jMwMO5gvPz V6RCjJAeTkihvgk9vpBBfUn5KZUZicUZ8UWlOavEhRhkODiUJXinviZFCgkWp6akVaZk5wCCD SUtw8CiJ8OaBpHmLCxJzizPTIVKnGHU5Xk34/41JiCUvPy9VSpw3BqRIAKQoozQPbgQs4C8xy koJ8zIyMDAI8RSkFuVmlqDKv2IU52BUEua1A5nCk5lXArfpFdARTEBH9IHcz1tckoiQkmpgnH db6Oi5u43qj2qLfXluGj3buf79zqVMfAJZEwOW/ZzNH3fpYqWP37tffnMspxxk0gi/0Hrbg9d LbPqTpOa3Rw7kPPsRV3RuplfitJiLn366L/3EETjX6dFrpmS1y006tpyXn8hKf9yj8zFnbTH7 Gou3hT3MDpNf5Uec9f3blvzh4ZyOxtCjHUosxRmJhlrMRcWJAAczsVdzAgAA X-Env-Sender: jgross@suse.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1502694538!102306589!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 2908 invoked from network); 14 Aug 2017 07:08:58 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-7.tower-31.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 14 Aug 2017 07:08:58 -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 9E6B4AB9B; Mon, 14 Aug 2017 07:08:57 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Mon, 14 Aug 2017 09:07:58 +0200 Message-Id: <20170814070849.20986-2-jgross@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20170814070849.20986-1-jgross@suse.com> References: <20170814070849.20986-1-jgross@suse.com> Cc: Juergen Gross , Julien Grall , Stefano Stabellini Subject: [Xen-devel] [PATCH v2 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..0b90cf3a15 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(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);