From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755764AbbI2H00 (ORCPT ); Tue, 29 Sep 2015 03:26:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33245 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755413AbbI2H0T (ORCPT ); Tue, 29 Sep 2015 03:26:19 -0400 From: Baoquan He To: joro@8bytes.org Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Baoquan He Subject: [PATCH 1/2] iommu/vt-d: break the for loop if an empty ir_ioapic entry found Date: Tue, 29 Sep 2015 15:26:08 +0800 Message-Id: <1443511569-9187-1-git-send-email-bhe@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No need to continue the loop after it has been found. Signed-off-by: Baoquan He --- drivers/iommu/intel_irq_remapping.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 9ec4e0d..37b93f5 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -841,8 +841,10 @@ static int ir_parse_one_ioapic_scope(struct acpi_dmar_device_scope *scope, if (ir_ioapic[count].iommu == iommu && ir_ioapic[count].id == scope->enumeration_id) return 0; - else if (ir_ioapic[count].iommu == NULL && free == -1) + else if (ir_ioapic[count].iommu == NULL && free == -1) { free = count; + break; + } } if (free == -1) { pr_warn("Exceeded Max IO APICS\n"); -- 2.1.0