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KVM: cleanup the failure path of KVM_CREATE_IRQCHIP ioctrl

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If we fail to init ioapic device or the fail to setup the default irq
routing, the device register by kvm_create_pic() and kvm_ioapic_init()
remain unregister. This patch fixed to do this.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Wei Yongjun
2010-02-09 10:33:03 +08:00
committed by Marcelo Tosatti
parent 1ae77badc2
commit 72bb2fcd23
5 changed files with 28 additions and 4 deletions
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virt/kvm/ioapic.c
+11
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@@ -401,6 +401,17 @@ int kvm_ioapic_init(struct kvm *kvm)
return ret;
}
void kvm_ioapic_destroy(struct kvm *kvm)
{
struct kvm_ioapic *ioapic = kvm->arch.vioapic;
if (ioapic) {
kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS, &ioapic->dev);
kvm->arch.vioapic = NULL;
kfree(ioapic);
}
}
int kvm_get_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state)
{
struct kvm_ioapic *ioapic = ioapic_irqchip(kvm);