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Commit 3499f4d0 authored by Julia Lawall's avatar Julia Lawall Committed by Avi Kivity
Browse files

KVM: ia64: Add missing spin_unlock in kvm_arch_hardware_enable() 

Add a spin_unlock missing on the error path.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/

)

// <smpl>
@@
expression E1;
@@

* spin_lock(E1,...);
  <+... when != E1
  if (...) {
    ... when != E1
*   return ...;
  }
  ...+>
* spin_unlock(E1,...);
// </smpl>

Signed-off-by: default avatarJulia Lawall <julia@diku.dk>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 05b782ab

arch/ia64/kvm/kvm-ia64.c

+1 −0
Original line number Diff line number Diff line
@@ -144,6 +144,7 @@ int kvm_arch_hardware_enable(void *garbage) 
				VP_INIT_ENV : VP_INIT_ENV_INITALIZE,

			__pa(kvm_vm_buffer), KVM_VM_BUFFER_BASE, &tmp_base);

	if (status != 0) {

		spin_unlock(&vp_lock);

		printk(KERN_WARNING"kvm: Failed to Enable VT Support!!!!\n");

		return -EINVAL;

	}