diff options
| author | Radim Krčmář <rkrcmar@redhat.com> | 2016-03-02 22:56:47 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-03-04 09:30:07 +0100 |
| commit | 08e5ccf3ae8f2c5c8319fec521e312f7e775cb84 (patch) | |
| tree | ea1e3717c68a07f585df1026568c9bc577282b79 /arch/x86/kvm/i8254.c | |
| parent | 10d2482126d02682d5d21aa5ecdf76d5f49c6740 (diff) | |
KVM: i8254: refactor kvm_free_pit
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>
Diffstat (limited to 'arch/x86/kvm/i8254.c')
| -rw-r--r-- | arch/x86/kvm/i8254.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index c24735ae1871..055018e833b6 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -738,18 +738,16 @@ fail_request: void kvm_free_pit(struct kvm *kvm) { - struct hrtimer *timer; - - 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); + struct kvm_pit *pit = 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); } } |