On 15.03.2017 09:01, Peter Xu wrote: > Mostly used for split irqchip mode. In that case, these two things are > not inited at all, so no need to release. > > Signed-off-by: Peter Xu <peterx@xxxxxxxxxx> > --- > arch/x86/kvm/i8259.c | 3 +++ > arch/x86/kvm/ioapic.c | 3 +++ > 2 files changed, 6 insertions(+) > > diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c > index 73ea24d..047b17a 100644 > --- a/arch/x86/kvm/i8259.c > +++ b/arch/x86/kvm/i8259.c > @@ -657,6 +657,9 @@ void kvm_pic_destroy(struct kvm *kvm) > { > struct kvm_pic *vpic = kvm->arch.vpic; > > + if (!vpic) > + return; > + > kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_master); > kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_slave); > kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_eclr); > diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c > index 6e219e5..289270a 100644 > --- a/arch/x86/kvm/ioapic.c > +++ b/arch/x86/kvm/ioapic.c > @@ -635,6 +635,9 @@ void kvm_ioapic_destroy(struct kvm *kvm) > { > struct kvm_ioapic *ioapic = kvm->arch.vioapic; > > + if (!ioapic) > + return; > + > cancel_delayed_work_sync(&ioapic->eoi_inject); > kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS, &ioapic->dev); > kvm->arch.vioapic = NULL; > Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> -- Thanks, David