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authorJason Wang <jasowang@redhat.com>2017-03-14 15:25:05 +0800
committerMichael S. Tsirkin <mst@redhat.com>2017-03-15 19:59:18 +0200
commit60a8d8023473dd24957b3a66824f66cd35b80d64 (patch)
tree90b56c2b3abcc8c049aafe519e24c71522d956f4 /hw/virtio
parentf0edf2397896aef1799dc9b5818683ea16577030 (diff)
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')
-rw-r--r--hw/virtio/virtio-pci.c4
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;
}
}