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-rw-r--r--virt/kvm/ioapic.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index 38a2d20b89d..f326a6f301c 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -372,7 +372,9 @@ int kvm_ioapic_init(struct kvm *kvm)
kvm_ioapic_reset(ioapic);
kvm_iodevice_init(&ioapic->dev, &ioapic_mmio_ops);
ioapic->kvm = kvm;
- ret = kvm_io_bus_register_dev(kvm, &kvm->mmio_bus, &ioapic->dev);
+ down_write(&kvm->slots_lock);
+ ret = kvm_io_bus_register_dev(kvm, KVM_MMIO_BUS, &ioapic->dev);
+ up_write(&kvm->slots_lock);
if (ret < 0)
kfree(ioapic);