From patchwork Mon Aug 14 07:08:21 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: 9898211 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 3EC386038C 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 326B228583 for ; Mon, 14 Aug 2017 07:12:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 23F66285CA; 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 370CA26538 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 1dh9Uq-0003kS-8H; Mon, 14 Aug 2017 07:09:08 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dh9Up-0003gq-AZ for xen-devel@lists.xenproject.org; Mon, 14 Aug 2017 07:09:07 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 6B/34-01862-39C41995; Mon, 14 Aug 2017 07:09:07 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrELMWRWlGSWpSXmKPExsVyuP0Ov+4kn4m RBr+3SVp83zKZyYHR4/CHKywBjFGsmXlJ+RUJrBm3/q1jKrjIVbFsyzzGBsZuzi5GTg4JASOJ txP/MXUxcnEICSxklFg1Yz4jSIJNQFViw/VTrCC2iICSxL1Vk8GKmAUeM0nM2LWcCSQhLJAo0 fn3B1gDC1DDvxvN7CA2r4CpxPzrl9kgNshLdByYzAJicwLFL+1bCmYLCZhI9G3tYpnAyL2AkW EVo3pxalFZapGupV5SUWZ6RkluYmaOrqGBsV5uanFxYnpqTmJSsV5yfu4mRqB/6xkYGHcwvv7 pdIhRkoNJSZQ3wac3UogvKT+lMiOxOCO+qDQntfgQowwHh5IEr5T3xEghwaLU9NSKtMwcYKDB pCU4eJREePNA0rzFBYm5xZnpEKlTjLocryb8/8YkxJKXn5cqJc4bA1IkAFKUUZoHNwIW9JcYZ aWEeRkZGBiEeApSi3IzS1DlXzGKczAqCfN2ewFN4cnMK4Hb9AroCCagI/pA7uctLklESEk1MM 5n/u5g/PH37xvn9N3FSpe/P/h1u8T0Z5+7mrccWWlmci7PlvuwkYbNy//lkyOOu1VMm7BHoPL mtzPejd+3Z6ZbmcZk/6nW97tkmeLRb9fJH2XNNHmXRNfr60c4D+g+6J32/J7FfW+XyrMOXxT3 Xk17totXoEr/7sa3z0XMHtZa8xjqeCYeOK7EUpyRaKjFXFScCACkCa6vdQIAAA== X-Env-Sender: jgross@suse.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1502694546!105811234!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 9739 invoked from network); 14 Aug 2017 07:09:06 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-15.tower-31.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 14 Aug 2017 07:09:06 -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 1AF8CAD32; Mon, 14 Aug 2017 07:09:06 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Mon, 14 Aug 2017 09:08:21 +0200 Message-Id: <20170814070849.20986-25-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 , Stefano Stabellini , Wei Liu , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Jan Beulich Subject: [Xen-devel] [PATCH v2 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 --- 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);