Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[cascardo/linux.git] / virt / kvm / arm / vgic / vgic.c

diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c
index e7aeac7..e83b7fe 100644 (file)
--- a/virt/kvm/arm/vgic/vgic.c
+++ b/virt/kvm/arm/vgic/vgic.c
@@ -117,17 +117,17 @@ static void vgic_irq_release(struct kref *ref)
 
 void vgic_put_irq(struct kvm *kvm, struct vgic_irq *irq)
 {
-       struct vgic_dist *dist;
+       struct vgic_dist *dist = &kvm->arch.vgic;
 
        if (irq->intid < VGIC_MIN_LPI)
                return;
 
-       if (!kref_put(&irq->refcount, vgic_irq_release))
+       spin_lock(&dist->lpi_list_lock);
+       if (!kref_put(&irq->refcount, vgic_irq_release)) {
+               spin_unlock(&dist->lpi_list_lock);
                return;
+       };
 
-       dist = &kvm->arch.vgic;
-
-       spin_lock(&dist->lpi_list_lock);
        list_del(&irq->lpi_list);
        dist->lpi_list_count--;
        spin_unlock(&dist->lpi_list_lock);