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Re: [Qemu-devel] [RFC-v2 6/6] virtio-scsi: Fix incorrect VirtIOSCSI->cmd
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [RFC-v2 6/6] virtio-scsi: Fix incorrect VirtIOSCSI->cmd_vqs[0] definition |
Date: |
Mon, 13 Aug 2012 12:02:59 +0300 |
On Mon, Aug 13, 2012 at 08:35:17AM +0000, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger <address@hidden>
>
> 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 <address@hidden>
> Cc: Stefan Hajnoczi <address@hidden>
> Cc: Michael S. Tsirkin <address@hidden>
> Signed-off-by: Nicholas Bellinger <address@hidden>
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
- Re: [Qemu-devel] [RFC-v2 1/6] msix: Work-around for vhost-scsi with KVM in-kernel MSI injection, (continued)
[Qemu-devel] [RFC-v2 5/6] virtio-scsi: Set max_target=0 during vhost-scsi operation, Nicholas A. Bellinger, 2012/08/13
[Qemu-devel] [RFC-v2 6/6] virtio-scsi: Fix incorrect VirtIOSCSI->cmd_vqs[0] definition, Nicholas A. Bellinger, 2012/08/13
- Re: [Qemu-devel] [RFC-v2 6/6] virtio-scsi: Fix incorrect VirtIOSCSI->cmd_vqs[0] definition,
Michael S. Tsirkin <=
[Qemu-devel] [RFC-v2 3/6] vhost-scsi: add -vhost-scsi host device for use with tcm-vhost, Nicholas A. Bellinger, 2012/08/13
- Re: [Qemu-devel] [RFC-v2 3/6] vhost-scsi: add -vhost-scsi host device for use with tcm-vhost, Michael S. Tsirkin, 2012/08/13
- Re: [Qemu-devel] [RFC-v2 3/6] vhost-scsi: add -vhost-scsi host device for use with tcm-vhost, Nicholas A. Bellinger, 2012/08/14
- Re: [Qemu-devel] [RFC-v2 3/6] vhost-scsi: add -vhost-scsi host device for use with tcm-vhost, Michael S. Tsirkin, 2012/08/18
- Re: [Qemu-devel] [RFC-v2 3/6] vhost-scsi: add -vhost-scsi host device for use with tcm-vhost, Nicholas A. Bellinger, 2012/08/18
- Re: [Qemu-devel] [RFC-v2 3/6] vhost-scsi: add -vhost-scsi host device for use with tcm-vhost, Michael S. Tsirkin, 2012/08/19
- Re: [Qemu-devel] [RFC-v2 3/6] vhost-scsi: add -vhost-scsi host device for use with tcm-vhost, Nicholas A. Bellinger, 2012/08/20