[PATCH v3 2/7] pci-assign: Update legacy interrupts only if used

[Jan Kiszka <jan.kiszka@xxxxxxxxxxx>]

Don't mess with assign_intx on devices that are in MSI or MSI-X mode, it
would corrupt their interrupt routing.

Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
---
 hw/device-assignment.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/hw/device-assignment.c b/hw/device-assignment.c
index bb4bbe0..de0048d 100644
--- a/hw/device-assignment.c
+++ b/hw/device-assignment.c
@@ -1052,9 +1052,12 @@ void assigned_dev_update_irqs(void)
     dev = QLIST_FIRST(&devs);
     while (dev) {
         next = QLIST_NEXT(dev, next);
-        r = assign_irq(dev);
-        if (r < 0)
-            qdev_unplug(&dev->dev.qdev);
+        if (dev->irq_requested_type & KVM_DEV_IRQ_HOST_INTX) {
+            r = assign_irq(dev);
+            if (r < 0) {
+                qdev_unplug(&dev->dev.qdev);
+            }
+        }
         dev = next;
     }
 }
-- 
1.7.3.4

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