From patchwork Wed Aug 9 07:06:38 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: 9889637 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 01AC2602D7 for ; Wed, 9 Aug 2017 07:09:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E9839274D1 for ; Wed, 9 Aug 2017 07:09:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DE6382895B; Wed, 9 Aug 2017 07:09:33 +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 6C661274D1 for ; Wed, 9 Aug 2017 07:09:33 +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 1dfL5V-0008As-Mm; Wed, 09 Aug 2017 07:07:29 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dfL5T-00083d-W5 for xen-devel@lists.xen.org; Wed, 09 Aug 2017 07:07:28 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id ED/A8-02175-FA4BA895; Wed, 09 Aug 2017 07:07:27 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrALMWRWlGSWpSXmKPExsVyuP0Ov+66LV2 RBq8PGlos+biYxYHR4+ju30wBjFGsmXlJ+RUJrBnNO5ezFKzkqlh7soO1gfE5RxcjJ4eEgJHE 24n/mEBsIYGFjBKf7ziA2GwCqhIbrp9iBbFFBKQlrn2+zNjFyMXBLPCYSWLGruVgDcICcRJbl h5jBrFZgBq2t81n6WLk4OAVMJV4cLcKYr68RMeBySwgNidQeMrL7VC7TCRunZ3GNoGRewEjwy pG9eLUorLUIl0jvaSizPSMktzEzBxdQwNTvdzU4uLE9NScxKRiveT83E2MQN8yAMEOxu9/nA4 xSnIwKYnybtLujBTiS8pPqcxILM6ILyrNSS0+xCjDwaEkweu5uStSSLAoNT21Ii0zBxhkMGkJ Dh4lEd5qkDRvcUFibnFmOkTqFKMux6sJ/78xCbHk5eelSonzNoMUCYAUZZTmwY2ABfwlRlkpY V5GoKOEeApSi3IzS1DlXzGKczAqCfOGgUzhycwrgdv0CugIJqAjInw7QY4oSURISTUw9r60sz pu195xsd5kIUebvvavu4UiP39GbHqQ9L3a6OGtbX8mLmC3ncZ64948950ma360zs+WlLfaK3b Ak32W20pmjg23kl6+FFLXUf50Pe6eX054dtDdvZsOTP9rKvbnmP+ypbs8VMuq03TerVjX5CBd 8tzfITw7U1UgRaBYyeui6r4sjd/PlViKMxINtZiLihMBPs+CVnMCAAA= X-Env-Sender: jgross@suse.com X-Msg-Ref: server-10.tower-206.messagelabs.com!1502262446!78026471!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 2874 invoked from network); 9 Aug 2017 07:07:26 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-10.tower-206.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 9 Aug 2017 07:07:26 -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 6A781AF11; Wed, 9 Aug 2017 07:07:26 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xen.org Date: Wed, 9 Aug 2017 09:06:38 +0200 Message-Id: <20170809070706.13481-25-jgross@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20170809070706.13481-1-jgross@suse.com> References: <20170809070706.13481-1-jgross@suse.com> Cc: Juergen Gross , Stefano Stabellini , Wei Liu , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Jan Beulich Subject: [Xen-devel] [PATCH 24/52] xen/common/domain.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/common/domain.c to indicate whether the parameter value was parsed successfully. Cc: Andrew Cooper Cc: George Dunlap Cc: Ian Jackson Cc: Jan Beulich Cc: Konrad Rzeszutek Wilk Cc: Stefano Stabellini Cc: Tim Deegan Cc: Wei Liu Signed-off-by: Juergen Gross --- xen/common/domain.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/xen/common/domain.c b/xen/common/domain.c index b22aacc57e..29a652268f 100644 --- a/xen/common/domain.c +++ b/xen/common/domain.c @@ -245,12 +245,14 @@ static int late_hwdom_init(struct domain *d) static unsigned int __read_mostly extra_hwdom_irqs; static unsigned int __read_mostly extra_domU_irqs = 32; -static void __init parse_extra_guest_irqs(const char *s) +static int __init parse_extra_guest_irqs(const char *s) { if ( isdigit(*s) ) extra_domU_irqs = simple_strtoul(s, &s, 0); if ( *s == ',' && isdigit(*++s) ) extra_hwdom_irqs = simple_strtoul(s, &s, 0); + + return *s ? -EINVAL : 0; } custom_param("extra_guest_irqs", parse_extra_guest_irqs);