From patchwork Sun Aug 11 02:47:55 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 266307 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 0E2732C00A9 for ; Sun, 11 Aug 2013 12:55:24 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753087Ab3HKCs5 (ORCPT ); Sat, 10 Aug 2013 22:48:57 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:25740 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753036Ab3HKCsx (ORCPT ); Sat, 10 Aug 2013 22:48:53 -0400 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by userp1040.oracle.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.1) with ESMTP id r7B2mVI6021403 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 11 Aug 2013 02:48:32 GMT Received: from aserz7022.oracle.com (aserz7022.oracle.com [141.146.126.231]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r7B2mUGq011548 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 11 Aug 2013 02:48:31 GMT Received: from abhmt117.oracle.com (abhmt117.oracle.com [141.146.116.69]) by aserz7022.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r7B2mUt1025968; Sun, 11 Aug 2013 02:48:30 GMT Received: from linux-siqj.site.site (/75.36.254.102) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sat, 10 Aug 2013 19:48:30 -0700 From: Yinghai Lu To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Tony Luck , Bjorn Helgaas , "Rafael J. Wysocki" Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Yinghai Lu , Fenghua Yu , linux-ia64@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v4 09/28] ia64, irq: Add dummy create_irq_nr() Date: Sat, 10 Aug 2013 19:47:55 -0700 Message-Id: <1376189294-32022-10-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1376189294-32022-1-git-send-email-yinghai@kernel.org> References: <1376189294-32022-1-git-send-email-yinghai@kernel.org> X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org create_irq() will return -1 when fail to allocate. create_irq_nr() will return 0 when fail to allocate. Will use it to fix one return value checking for dmar_msi irq. Signed-off-by: Yinghai Lu Cc: Fenghua Yu Cc: linux-ia64@vger.kernel.org Cc: stable@vger.kernel.org --- arch/ia64/kernel/irq_ia64.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 1034884..38e46df 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -429,6 +429,16 @@ int create_irq(void) return irq; } +unsigned int create_irq_nr(unsigned int from, int node) +{ + int irq = create_irq(); + + if (irq < 0) + irq = 0; + + return irq; +} + void destroy_irq(unsigned int irq) { dynamic_irq_cleanup(irq);