qemu: init all queues to NO_VECTOR value

initialize vectors for all vqs to VIRTIO_NO_VECTOR rather than 0 which
is a valid vector. This fixes migration which happened before driver
was loaded.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: Amit Shah <amit.shah@redhat.com>
Tested-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2009-09-07 21:20:15 +03:00 committed by Anthony Liguori
parent 711bf3d954
commit b8193adbda

View File

@ -694,6 +694,7 @@ VirtIODevice *virtio_common_init(const char *name, uint16_t device_id,
size_t config_size, size_t struct_size)
{
VirtIODevice *vdev;
int i;
vdev = qemu_mallocz(struct_size);
@ -703,6 +704,8 @@ VirtIODevice *virtio_common_init(const char *name, uint16_t device_id,
vdev->queue_sel = 0;
vdev->config_vector = VIRTIO_NO_VECTOR;
vdev->vq = qemu_mallocz(sizeof(VirtQueue) * VIRTIO_PCI_QUEUE_MAX);
for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++)
vdev->vq[i].vector = VIRTIO_NO_VECTOR;
vdev->name = name;
vdev->config_len = config_size;