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KVM: fix lock imbalance 

There is a missing unlock on one fail path in ioapic_mmio_write,
fix that.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Jiri Slaby 2009-06-29 18:05:10 +02:00 committed by Avi Kivity
parent 22fc02943a
commit 27c4ba6017
1 changed files with 2 additions and 1 deletions
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3
virt/kvm/ioapic.c
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@ -292,7 +292,7 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
data = *(u32 *) val;
else {
printk(KERN_WARNING "ioapic: Unsupported size %d\n", len);
return 0;
goto unlock;
}
addr &= 0xff;
@ -313,6 +313,7 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
default:
break;
}
unlock:
mutex_unlock(&ioapic->kvm->irq_lock);
return 0;
}