From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sheng Yang Subject: [PATCH 1/3] kvm: fix irq 0 assignment Date: Wed, 4 Mar 2009 15:54:27 +0800 Message-ID: <1236153269-8825-2-git-send-email-sheng@linux.intel.com> References: <1236153269-8825-1-git-send-email-sheng@linux.intel.com> Cc: kvm@vger.kernel.org, Sheng Yang To: Avi Kivity , Marcelo Tosatti Return-path: Received: from mga09.intel.com ([134.134.136.24]:50871 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753189AbZCDHyq (ORCPT ); Wed, 4 Mar 2009 02:54:46 -0500 In-Reply-To: <1236153269-8825-1-git-send-email-sheng@linux.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: Shouldn't update assigned irq if host irq is 0, which means uninitialized or don't support INTx. Signed-off-by: Sheng Yang --- qemu/hw/device-assignment.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/qemu/hw/device-assignment.c b/qemu/hw/device-assignment.c index 32fba2a..7f9c789 100644 --- a/qemu/hw/device-assignment.c +++ b/qemu/hw/device-assignment.c @@ -574,6 +574,10 @@ static int assign_irq(AssignedDevInfo *adev) AssignedDevice *dev = adev->assigned_dev; int irq, r = 0; + /* irq 0 means uninitialized */ + if (dev->real_device.irq == 0) + return 0; + irq = pci_map_irq(&dev->dev, dev->intpin); irq = piix_get_irq(irq); -- 1.5.4.5