Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x86/kvm/x86.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 675fcc1..c5763d7 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -176,7 +176,9 @@ static void kvm_free_assigned_device(struct kvm *kvm,
if (irqchip_in_kernel(kvm) && assigned_dev->irq_requested)
free_irq(assigned_dev->host_irq, (void *)assigned_dev);
- kvm_unregister_irq_ack_notifier(kvm, &assigned_dev->ack_notifier);
+ if (irqchip_in_kernel(kvm))
+ kvm_unregister_irq_ack_notifier(kvm,
+ &assigned_dev->ack_notifier);
if (cancel_work_sync(&assigned_dev->interrupt_work))
/* We had pending work. That means we will have to take
--
1.5.4.5
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