diff options
| author | Jason Wang <jasowang@redhat.com> | 2017-03-14 15:25:05 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2017-03-15 19:59:18 +0200 |
| commit | 60a8d8023473dd24957b3a66824f66cd35b80d64 (patch) | |
| tree | 90b56c2b3abcc8c049aafe519e24c71522d956f4 /hw/virtio/virtio-pci.c | |
| parent | f0edf2397896aef1799dc9b5818683ea16577030 (diff) | |
| download | qemu-60a8d8023473dd24957b3a66824f66cd35b80d64.tar.gz | |
virtio-pci: reset modern vq meta data
We don't reset proxy->vqs[].{num|desc[]|avail[]|used[]}. This means if
a driver enable the vq without setting vq address after reset. The old
addresses were leaked. Fixing this by resetting modern vq meta data
during device reset.
Cc: qemu-stable@nongnu.org
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio/virtio-pci.c')
| -rw-r--r-- | hw/virtio/virtio-pci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 5ce42af9d4..69cc471e56 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1857,6 +1857,10 @@ static void virtio_pci_reset(DeviceState *qdev) for (i = 0; i < VIRTIO_QUEUE_MAX; i++) { proxy->vqs[i].enabled = 0; + proxy->vqs[i].num = 0; + proxy->vqs[i].desc[0] = proxy->vqs[i].desc[1] = 0; + proxy->vqs[i].avail[0] = proxy->vqs[i].avail[1] = 0; + proxy->vqs[i].used[0] = proxy->vqs[i].used[1] = 0; } } |