diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index 973df997..db75045 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -63,9 +63,7 @@
 
 void kvm_unregister_irq_ack_notifier(struct kvm_irq_ack_notifier *kian)
 {
-	if (!kian)
-		return;
-	hlist_del(&kian->link);
+	hlist_del_init(&kian->link);
 }
 
 /* The caller must hold kvm->lock mutex */