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KVM: PIT: unregister kvm irq notifier if fail to create pit 

If fail to create pit, we should unregister kvm irq notifier
which register in kvm_create_pit().

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Wei Yongjun 2010-02-08 17:03:51 +08:00 committed by Marcelo Tosatti
parent a19a6d1131
commit d225f53b76
1 changed files with 3 additions and 2 deletions
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5
arch/x86/kvm/i8254.c
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@ -663,8 +663,9 @@ fail_unregister:
kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->dev);
fail:
if (pit->irq_source_id >= 0)
kvm_free_irq_source_id(kvm, pit->irq_source_id);
kvm_unregister_irq_mask_notifier(kvm, 0, &pit->mask_notifier);
kvm_unregister_irq_ack_notifier(kvm, &pit_state->irq_ack_notifier);
kvm_free_irq_source_id(kvm, pit->irq_source_id);
kfree(pit);
return NULL;