From patchwork Mon Aug 14 07:08:24 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: 9898199 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 4379D603B5 for ; Mon, 14 Aug 2017 07:12:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3694A26E1A for ; Mon, 14 Aug 2017 07:12:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2A1E828606; Mon, 14 Aug 2017 07:12:16 +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 43FA528066 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-0003jb-0X; 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 1dh9Uo-0003gq-Nl for xen-devel@lists.xenproject.org; Mon, 14 Aug 2017 07:09:06 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 55/34-01862-29C41995; Mon, 14 Aug 2017 07:09:06 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrELMWRWlGSWpSXmKPExsVyuP0Ov+5En4m RBj2HJC2+b5nM5MDocfjDFZYAxijWzLyk/IoE1oz7x66wFszkrti7dgdzA+MRzi5GTg4JASOJ txP/MXUxcnEICSxklPi+ZSczSIJNQFViw/VTrCC2iICSxL1Vk8GKmAUeM0nM2LWcCSQhLJAoc e3uIiCbg4MFqOH5x0SQMK+AqcTZlpmsEAvkJToOTGYBsTmB4pf2LQWzhQRMJPq2drFMYORewM iwilGjOLWoLLVI18hML6koMz2jJDcxM0fX0MBYLze1uDgxPTUnMalYLzk/dxMj0L/1DAyMOxg b9vodYpTkYFIS5U3w6Y0U4kvKT6nMSCzOiC8qzUktPsQow8GhJME7w3tipJBgUWp6akVaZg4w 0GDSEhw8SiK8K0DSvMUFibnFmekQqVOMuhyvJvz/xiTEkpeflyolzhsDUiQAUpRRmgc3Ahb0l xhlpYR5GRkYGIR4ClKLcjNLUOVfMYpzMCoJ89qBTOHJzCuB2/QK6AgmoCP6QO7nLS5JREhJNT Dqbo1zKlE1WaGtu8rATm+nNVNJuYjSyWvXQ5f/5/QRnz855cf0Du7GDye173fubFYSbDXJXpF +RYt10Y97R3+zKV6dkv37I0PdiyPKrEpVm/5HiXbvYzqx4hjP0X/BL39sEFWW2n9z/o3mqZps zzbVLfmxujdNWtDhRZepReLh23NDtj+Ma7NSYinOSDTUYi4qTgQANTX3ynUCAAA= X-Env-Sender: jgross@suse.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1502694545!109941018!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 23012 invoked from network); 14 Aug 2017 07:09:05 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-8.tower-31.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 14 Aug 2017 07:09:05 -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 261F7ABD9; Mon, 14 Aug 2017 07:09:05 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Mon, 14 Aug 2017 09:08:24 +0200 Message-Id: <20170814070849.20986-28-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 27/52] xen/common/memory.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/memory.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/memory.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/xen/common/memory.c b/xen/common/memory.c index b2066db07e..87a33c0e62 100644 --- a/xen/common/memory.c +++ b/xen/common/memory.c @@ -55,7 +55,7 @@ static unsigned int __read_mostly hwdom_max_order = CONFIG_HWDOM_MAX_ORDER; #ifdef HAS_PASSTHROUGH static unsigned int __read_mostly ptdom_max_order = CONFIG_PTDOM_MAX_ORDER; #endif -static void __init parse_max_order(const char *s) +static int __init parse_max_order(const char *s) { if ( *s != ',' ) domu_max_order = simple_strtoul(s, &s, 0); @@ -67,6 +67,8 @@ static void __init parse_max_order(const char *s) if ( *s == ',' && *++s != ',' ) ptdom_max_order = simple_strtoul(s, &s, 0); #endif + + return *s ? -EINVAL : 0; } custom_param("memop-max-order", parse_max_order);