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KVM: fix lock imbalance in kvm_create_pit() 

Stanse found that there is an omitted unlock in kvm_create_pit in one fail
path. Add proper unlock there.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Cc: Gleb Natapov <gleb@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Gregory Haskins <ghaskins@novell.com>
Cc: kvm@vger.kernel.org
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Jiri Slaby 2010-07-07 15:02:25 +02:00 committed by Avi Kivity
parent f59c1d2ded
commit 673813e81d
1 changed files with 1 additions and 0 deletions
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arch/x86/kvm/i8254.c
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@ -696,6 +696,7 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags)
pit->wq = create_singlethread_workqueue("kvm-pit-wq");
if (!pit->wq) {
mutex_unlock(&pit->pit_state.lock);
kfree(pit);
return NULL;
}