From patchwork Mon Aug 14 07:08:06 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: 9898267 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 6C6A160230 for ; Mon, 14 Aug 2017 07:12:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 604F9274D0 for ; Mon, 14 Aug 2017 07:12:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5542C27D16; Mon, 14 Aug 2017 07:12:21 +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 B8B20285E4 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 1dh9Vi-0005mV-SW; Mon, 14 Aug 2017 07:10:02 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dh9Vg-0005bQ-WD for xen-devel@lists.xenproject.org; Mon, 14 Aug 2017 07:10:01 +0000 Received: from [193.109.254.147] by server-5.bemta-6.messagelabs.com id 34/BF-03368-8CC41995; Mon, 14 Aug 2017 07:10:00 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrMLMWRWlGSWpSXmKPExsVyuP0Ov+5xn4m RBpuemFl83zKZyYHR4/CHKywBjFGsmXlJ+RUJrBnXDu9nLNjDXXFk4izGBsb7nF2MnBwSAkYS byf+Y+pi5OIQEljIKLFi+2ZmkASbgKrEhuunWEFsEQEliXurJoMVMQvMYpRYtnk2I0hCWCBTo u3ldHYQmwWoYdqqRywgNq+AqcSi013MEBvkJToOTAaLcwLFL+1bCmYLCZhI9G3tYpnAyL2AkW EVo0ZxalFZapGuoYleUlFmekZJbmJmjq6hgZlebmpxcWJ6ak5iUrFecn7uJkaghxmAYAfj9Y0 BhxglOZiURHkTfHojhfiS8lMqMxKLM+KLSnNSiw8xynBwKEnwzvCeGCkkWJSanlqRlpkDDDWY tAQHj5IIrwIw3IR4iwsSc4sz0yFSpxh1OV5N+P+NSYglLz8vVUqc9ynIDAGQoozSPLgRsLC/x CgrJczLCHSUEE9BalFuZgmq/CtGcQ5GJWHezyBTeDLzSuA2vQI6ggnoiD6Q+3mLSxIRUlINjA cuOsT4buX+eyGotXlNimhc0N2YhWvbj6XIlp47FdNRuyZi242m0LdHvobOnCzFtOLg7JYE05w z08502Ew5crv2qe305x3bOr0+/eR7H2nTzTx7iuvu9o9803UCdBSaYlwXXGIsmXfmdGmrx6W6 aRMTbaL49OI+GLtrVko8nnuNX/yrfWugqBJLcUaioRZzUXEiAGkzG8N2AgAA X-Env-Sender: jgross@suse.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1502694599!88447751!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 32921 invoked from network); 14 Aug 2017 07:09:59 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-10.tower-27.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 14 Aug 2017 07:09:59 -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 74C42AD08; Mon, 14 Aug 2017 07:08:59 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Mon, 14 Aug 2017 09:08:06 +0200 Message-Id: <20170814070849.20986-10-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 , Andrew Cooper , Paul Durrant , Jan Beulich Subject: [Xen-devel] [PATCH v2 09/52] xen/arch/x86/hvm/viridian.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/x86/hvm/viridian.c to indicate whether the parameter value was parsed successfully. Cc: Paul Durrant Cc: Jan Beulich Cc: Andrew Cooper Signed-off-by: Juergen Gross Reviewed-by: Paul Durrant Acked-by: Wei Liu --- xen/arch/x86/hvm/viridian.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/hvm/viridian.c b/xen/arch/x86/hvm/viridian.c index aa9b87c0ab..6f012bcb62 100644 --- a/xen/arch/x86/hvm/viridian.c +++ b/xen/arch/x86/hvm/viridian.c @@ -1083,7 +1083,7 @@ static int viridian_load_vcpu_ctxt(struct domain *d, hvm_domain_context_t *h) HVM_REGISTER_SAVE_RESTORE(VIRIDIAN_VCPU, viridian_save_vcpu_ctxt, viridian_load_vcpu_ctxt, 1, HVMSR_PER_VCPU); -static void __init parse_viridian_version(char *arg) +static int __init parse_viridian_version(char *arg) { const char *t; unsigned int n[3]; @@ -1118,10 +1118,11 @@ static void __init parse_viridian_version(char *arg) printk("viridian-version = %#x,%#x,%#x\n", viridian_major, viridian_minor, viridian_build); - return; + return 0; fail: printk(XENLOG_WARNING "Invalid viridian-version, using default\n"); + return -EINVAL; } custom_param("viridian-version", parse_viridian_version);