Commit b8193adb authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Anthony Liguori
Browse files

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: default avatarMichael S. Tsirkin <mst@redhat.com>
Reported-by: default avatarAmit Shah <amit.shah@redhat.com>
Tested-by: default avatarAmit Shah <amit.shah@redhat.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 711bf3d9

hw/virtio.c

+3 −0
Original line number Diff line number Diff line
@@ -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;