KVM: kvm->arch.vioapic should be NULL if kvm_ioapic_init() failure

kvm->arch.vioapic should be NULL in case of kvm_ioapic_init() failure due to cannot register io dev. Signed-off-by: Wei Yongjun <[email protected]> Signed-off-by: Avi Kivity <[email protected]>
cbmeeks · Mar 1, 2010 · 1ae77ba · 1ae77ba
1 parent d225f53
commit 1ae77ba
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
@@ -393,8 +393,10 @@ int kvm_ioapic_init(struct kvm *kvm)
 	mutex_lock(&kvm->slots_lock);
 	ret = kvm_io_bus_register_dev(kvm, KVM_MMIO_BUS, &ioapic->dev);
 	mutex_unlock(&kvm->slots_lock);
-	if (ret < 0)
+	if (ret < 0) {
+		kvm->arch.vioapic = NULL;
 		kfree(ioapic);
+	}
 
 	return ret;
 }