From patchwork Wed Aug 16 12:51:51 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: 9903673 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 F4126603B5 for ; Wed, 16 Aug 2017 12:54:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E6528289CD for ; Wed, 16 Aug 2017 12:54:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DB343289DD; Wed, 16 Aug 2017 12:54:58 +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 91627289E1 for ; Wed, 16 Aug 2017 12:54:58 +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 1dhxoG-0008PL-Mj; Wed, 16 Aug 2017 12:52:32 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dhxoF-0008LT-BE for xen-devel@lists.xenproject.org; Wed, 16 Aug 2017 12:52:31 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id 38/A8-01987-E0044995; Wed, 16 Aug 2017 12:52:30 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrILMWRWlGSWpSXmKPExsVyuP0Ovy6fw5R Ig4ZGNovvWyYzOTB6HP5whSWAMYo1My8pvyKBNWPq+oSC5dwVj68fYGlgvMrZxcjJISFgJPF2 4j+mLkYuDiGBhYwSk5+8YgZJsAmoSmy4fooVxBYRUJK4t2oyWBGzwGMmiRm7ljOBJIQFEiX2L L0J1MDBwQLUcPWIF0iYV8BE4vSHJewQC+QlOg5MZgGxOYHikzccA7OFBIwltvc0sk9g5F7AyL CKUaM4tagstUjX0FAvqSgzPaMkNzEzR9fQwFgvN7W4ODE9NScxqVgvOT93EyPQuwxAsINx9W+ nQ4ySHExKorxBWlMihfiS8lMqMxKLM+KLSnNSiw8xynBwKEnwzrEFygkWpaanVqRl5gDDDCYt wcGjJMKbBpLmLS5IzC3OTIdInWLU5Xg14f83JiGWvPy8VClx3qcgRQIgRRmleXAjYCF/iVFWS piXEegoIZ6C1KLczBJU+VeM4hyMSsK8a0Gm8GTmlcBtegV0BBPQEVfaJ4EcUZKIkJJqYJQRvd /1UGVzAUdVwbOb07bN829zs/7Xd2z7oZ0TeEOr/79kczYwi1feZ9WQ1jl1pidrdFy5pmL5lbY Hy1QdT9frqC7VXbBeY+M7VcPs9OVBLJKFZbYqgjGu6VK/eeNqTlxZH/1OdXFkTUPks57jZ+Ve HD7ha2PhGGZRkFd/yeSqV3zGi98cSizFGYmGWsxFxYkAvavQCXQCAAA= X-Env-Sender: jgross@suse.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1502887949!102708922!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 16798 invoked from network); 16 Aug 2017 12:52:30 -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; 16 Aug 2017 12:52:30 -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 A2C7BAEB4; Wed, 16 Aug 2017 12:52:29 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Wed, 16 Aug 2017 14:51:51 +0200 Message-Id: <20170816125219.5255-25-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 , Stefano Stabellini , Wei Liu , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Jan Beulich Subject: [Xen-devel] [PATCH v3 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 Acked-by: Wei Liu Acked-by: Jan Beulich --- V3: - cosmetic changes (Jan Beulich) --- xen/common/domain.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/xen/common/domain.c b/xen/common/domain.c index b22aacc57e..acd420a1a5 100644 --- a/xen/common/domain.c +++ b/xen/common/domain.c @@ -245,12 +245,15 @@ 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);