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-rw-r--r--virt/kvm/irq_comm.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index 55ad76e..9fbbdea 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -58,12 +58,16 @@ void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi)
void kvm_register_irq_ack_notifier(struct kvm *kvm,
struct kvm_irq_ack_notifier *kian)
{
+ /* Must be called with in-kernel IRQ chip, otherwise it's nonsense */
+ ASSERT(irqchip_in_kernel(kvm));
+ ASSERT(kian);
hlist_add_head(&kian->link, &kvm->arch.irq_ack_notifier_list);
}
-void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
- struct kvm_irq_ack_notifier *kian)
+void kvm_unregister_irq_ack_notifier(struct kvm_irq_ack_notifier *kian)
{
+ if (!kian)
+ return;
hlist_del(&kian->link);
}
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