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KVM: Take missing slots_lock for kvm_io_bus_unregister_dev()

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In KVM_CREATE_IRQCHIP, kvm_io_bus_unregister_dev() is called without taking
slots_lock in the error handling path.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Takuya Yoshikawa
2010-12-16 01:41:37 +09:00
committed by Avi Kivity
parent a355c85c5f
commit 175504cdbf
2 changed files with 6 additions and 0 deletions
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2
arch/ia64/kvm/kvm-ia64.c
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@@ -951,7 +951,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
goto out;
r = kvm_setup_default_irq_routing(kvm);
if (r) {
mutex_lock(&kvm->slots_lock);
kvm_ioapic_destroy(kvm);
mutex_unlock(&kvm->slots_lock);
goto out;
}
break;