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FromAvi Kivity <>
Subject[PATCH 05/20] KVM: kvm->arch.vioapic should be NULL if kvm_ioapic_init() failure
DateWed, 17 Feb 2010 15:45:15 +0200
From: Wei Yongjun <yjwei@cn.fujitsu.com>

kvm->arch.vioapic should be NULL in case of kvm_ioapic_init() failure
due to cannot register io dev.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
virt/kvm/ioapic.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index a2edfd1..f3d0693 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -393,8 +393,10 @@ int kvm_ioapic_init(struct kvm *kvm)
mutex_lock(&kvm->slots_lock);
ret = kvm_io_bus_register_dev(kvm, KVM_MMIO_BUS, &ioapic->dev);
mutex_unlock(&kvm->slots_lock);
- if (ret < 0)
+ if (ret < 0) {
+ kvm->arch.vioapic = NULL;
kfree(ioapic);
+ }

return ret;
}
--
1.6.5.3


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