Can I get a second review on this one from anyone?
On Wed, Jun 04, 2014 at 01:34:56PM +0200, Paolo Bonzini wrote:
> Calling the workqueue interface on uninitialized work items isn't a
> good idea even if they're zeroed. It's not failing catastrophically only
> through happy accidents.
>
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
> drivers/scsi/virtio_scsi.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
> index f0b4cdbfceb0..d66c4ee2c774 100644
> --- a/drivers/scsi/virtio_scsi.c
> +++ b/drivers/scsi/virtio_scsi.c
> @@ -253,6 +253,8 @@ static void virtscsi_ctrl_done(struct virtqueue *vq)
> virtscsi_vq_done(vscsi, &vscsi->ctrl_vq, virtscsi_complete_free);
> };
>
> +static void virtscsi_handle_event(struct work_struct *work);
> +
> static int virtscsi_kick_event(struct virtio_scsi *vscsi,
> struct virtio_scsi_event_node *event_node)
> {
> @@ -260,6 +262,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi,
> struct scatterlist sg;
> unsigned long flags;
>
> + INIT_WORK(&event_node->work, virtscsi_handle_event);
> sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event));
>
> spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags);
> @@ -377,7 +380,6 @@ static void virtscsi_complete_event(struct virtio_scsi
> *vscsi, void *buf)
> {
> struct virtio_scsi_event_node *event_node = buf;
>
> - INIT_WORK(&event_node->work, virtscsi_handle_event);
> schedule_work(&event_node->work);
> }
>
> --
> 1.8.3.1
>
>
> --
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