lkml.org 
[lkml]   [2012]   [Jul]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [net-next RFC V5 2/5] virtio_ring: move queue_index to vring_virtqueue
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



\
 
 \ /
  Last update: 2012-07-26 11:01    [W:0.090 / U:9.456 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site