KVM: PIT: free irq source id in handling error path

Free irq source id if create pit workqueue fail

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index f539c3c2a6879be3a381cc92effdbb0c6e5ae75b..ddeb2314b522455df6352bd434019030be9a88e5 100644 (file)
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -697,6 +697,7 @@ 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);
+               kvm_free_irq_source_id(kvm, pit->irq_source_id);
                kfree(pit);
                return NULL;
        }