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KVM: i8254: refactor kvm_free_pit

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Could be easier to read, but git history will become deeper.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Radim Krčmář 2016-03-02 22:56:47 +01:00 committed by Paolo Bonzini
parent 10d2482126
commit 08e5ccf3ae
1 changed files with 10 additions and 12 deletions
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22
arch/x86/kvm/i8254.c
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@ -738,18 +738,16 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags)
void kvm_free_pit(struct kvm *kvm)
{
struct hrtimer *timer;
struct kvm_pit *pit = kvm->arch.vpit;
if (kvm->arch.vpit) {
kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &kvm->arch.vpit->dev);
kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS,
&kvm->arch.vpit->speaker_dev);
kvm_pit_set_reinject(kvm->arch.vpit, false);
timer = &kvm->arch.vpit->pit_state.timer;
hrtimer_cancel(timer);
flush_kthread_work(&kvm->arch.vpit->expired);
kthread_stop(kvm->arch.vpit->worker_task);
kvm_free_irq_source_id(kvm, kvm->arch.vpit->irq_source_id);
kfree(kvm->arch.vpit);
if (pit) {
kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->dev);
kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->speaker_dev);
kvm_pit_set_reinject(pit, false);
hrtimer_cancel(&pit->pit_state.timer);
flush_kthread_work(&pit->expired);
kthread_stop(pit->worker_task);
kvm_free_irq_source_id(kvm, pit->irq_source_id);
kfree(pit);
}
}