From patchwork Mon Aug 14 07:08:26 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: 9898237 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 D58CA6088A for ; Mon, 14 Aug 2017 07:12:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C870028382 for ; Mon, 14 Aug 2017 07:12:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C75182858C; Mon, 14 Aug 2017 07:12:18 +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 969BF285BD 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 1dh9Vn-0006Gv-KA; Mon, 14 Aug 2017 07:10:07 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dh9Vm-0006BI-Ky for xen-devel@lists.xenproject.org; Mon, 14 Aug 2017 07:10:06 +0000 Received: from [193.109.254.147] by server-6.bemta-6.messagelabs.com id C7/4B-03937-ECC41995; Mon, 14 Aug 2017 07:10:06 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrOLMWRWlGSWpSXmKPExsVyuP0Ov+5Zn4m RBu+/K1h83zKZyYHR4/CHKywBjFGsmXlJ+RUJrBkrdm1kLDjPXvGg7ylTA+MJti5GTg4JASOJ txP/MYHYQgLHGCVaH1eC2GwCqhIbrp9iBbFFBJQk7q2aDFbDLOAq0fB7KVhcWCBd4uyBw2BxF qD6xq/b2EFsXgFTib1vDzFCzJeX6DgwmQXE5gSKX9q3lAVil4lE39YulgmM3AsYGVYxahSnFp WlFukaWuglFWWmZ5TkJmbm6BoamOnlphYXJ6an5iQmFesl5+duYgR6lwEIdjDe3BhwiFGSg0l JlDfBpzdSiC8pP6UyI7E4I76oNCe1+BCjDAeHkgTvDO+JkUKCRanpqRVpmTnAMINJS3DwKInw lnsBpXmLCxJzizPTIVKnGI05mj5s+cLE8WrC/29MQix5+XmpUuK8T0EmCYCUZpTmwQ2Chf8lR lkpYV5GoNOEeApSi3IzS1DlXzGKczAqCfPWgEzhycwrgdv3CugUJqBT+kC+4C0uSURISTUw1p +4P0d0sav4bId/bYtn1mcxJiadqHjzYt8hzwXOJtYSC9QvJV87PNdOSqz6h7lBQm0U06TEXUd KuSS0N1RHPrzpeSV4kpBjvZzK/b+LZGQEl5itk2rcn/b4dL6+68yte1p+/Tp8uXLVuomPdmzV Mt7z78Wd/dUZC7zYF8rvDcn3YVFq3ifXpsRSnJFoqMVcVJwIAI/4sEB6AgAA X-Env-Sender: jgross@suse.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1502694605!100743639!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 51389 invoked from network); 14 Aug 2017 07:10:05 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-8.tower-27.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 14 Aug 2017 07:10:05 -0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 2281EABC3 for ; Mon, 14 Aug 2017 07:09:05 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Mon, 14 Aug 2017 09:08:26 +0200 Message-Id: <20170814070849.20986-30-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 , Jan Beulich Subject: [Xen-devel] [PATCH v2 29/52] xen/drivers/acpi/tables.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/drivers/acpi/tables.c to indicate whether the parameter value was parsed successfully. Cc: Jan Beulich Signed-off-by: Juergen Gross Acked-by: Wei Liu --- xen/drivers/acpi/tables.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/xen/drivers/acpi/tables.c b/xen/drivers/acpi/tables.c index dd2031f36a..ea600248aa 100644 --- a/xen/drivers/acpi/tables.c +++ b/xen/drivers/acpi/tables.c @@ -458,12 +458,13 @@ int __init acpi_table_init(void) static int __init acpi_parse_apic_instance(char *str) { + const char *q; - acpi_apic_instance = simple_strtoul(str, NULL, 0); + acpi_apic_instance = simple_strtoul(str, &q, 0); printk(KERN_NOTICE PREFIX "Shall use APIC/MADT table %d\n", acpi_apic_instance); - return 0; + return *q ? -EINVAL : 0; } custom_param("acpi_apic_instance", acpi_parse_apic_instance);