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From: Jiri Slaby on 7 Jul 2010 09:10
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(a)gmail.com>
Cc: Avi Kivity <avi(a)redhat.com>
Cc: Marcelo Tosatti <mtosatti(a)redhat.com>
Cc: Thomas Gleixner <tglx(a)linutronix.de>
Cc: Ingo Molnar <mingo(a)redhat.com>
Cc: "H. Peter Anvin" <hpa(a)zytor.com>
Cc: x86(a)kernel.org
Cc: Gleb Natapov <gleb(a)redhat.com>
Cc: "Michael S. Tsirkin" <mst(a)redhat.com>
Cc: Gregory Haskins <ghaskins(a)novell.com>
Cc: kvm(a)vger.kernel.org
---
arch/x86/kvm/i8254.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 467cc47..70db4d4 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -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;
}
--
1.7.1


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