On Mon, Aug 13, 2012 at 08:35:17AM +0000, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
>
> This patch fixes bug in the definition of VirtIOSCSI->cmd_vqs[0],
> where the return of virtio_add_queue() in virtio_scsi_init() ends up
> overwriting past the end of ->cmd_vqs[0].
>
> Since virtio_scsi currently assumes a single vqs for data, this patch
> simply changes ->cmd_vqs[1] to handle the single VirtQueue.
>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: Stefan Hajnoczi <stefanha@xxxxxxxxxxxxxxxxxx>
> Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
> Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
This is a bugfix we need even without vhost, right?
> ---
> hw/virtio-scsi.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c
> index 5e2ff6b..2c70f89 100644
> --- a/hw/virtio-scsi.c
> +++ b/hw/virtio-scsi.c
> @@ -150,7 +150,7 @@ typedef struct {
> bool events_dropped;
> VirtQueue *ctrl_vq;
> VirtQueue *event_vq;
> - VirtQueue *cmd_vqs[0];
> + VirtQueue *cmd_vqs[1];
>
> bool vhost_started;
> VHostSCSI *vhost_scsi;
> --
> 1.7.2.5
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