Shouldn't update assigned irq if host irq is 0, which means uninitialized
or don't support INTx.
Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
---
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 b7cbcec..cfbf39d 100644
--- a/qemu/hw/device-assignment.c
+++ b/qemu/hw/device-assignment.c
@@ -521,6 +521,10 @@ 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
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