On 07/26/2012 04:20 PM, Paolo Bonzini wrote:
Il 05/07/2012 13:40, Sasha Levin ha scritto:
@@ -275,7 +274,7 @@ static void vm_del_vq(struct virtqueue *vq)
vring_del_virtqueue(vq);
/* Select and deactivate the queue */
- writel(info->queue_index, vm_dev->base + VIRTIO_MMIO_QUEUE_SEL);
+ writel(virtqueue_get_queue_index(vq), vm_dev->base + VIRTIO_MMIO_QUEUE_SEL);
writel(0, vm_dev->base + VIRTIO_MMIO_QUEUE_PFN);
This accesses vq after vring_del_virtqueue has freed it.
Paolo
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Yes, so need a temporary variable before vring_del_virtqueue().
Thanks.
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