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-rw-r--r--virt/kvm/assigned-dev.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
index bf06577..5819a27 100644
--- a/virt/kvm/assigned-dev.c
+++ b/virt/kvm/assigned-dev.c
@@ -526,8 +526,10 @@ static int assign_guest_irq(struct kvm *kvm,
dev->irq_requested_type |= guest_irq_type;
if (dev->ack_notifier.gsi != -1)
kvm_register_irq_ack_notifier(kvm, &dev->ack_notifier);
- } else
+ } else {
kvm_free_irq_source_id(kvm, dev->irq_source_id);
+ dev->irq_source_id = -1;
+ }
return r;
}