Commit 637ab21e authored by Asias He's avatar Asias He Committed by Nicholas Bellinger

tcm_vhost: Add vhost_scsi_send_bad_target() helper

Share the send bad target code with other use cases.
Signed-off-by: default avatarAsias He <asias@redhat.com>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 7ea206cf
......@@ -578,6 +578,23 @@ static void tcm_vhost_submission_work(struct work_struct *work)
}
}
static void vhost_scsi_send_bad_target(struct vhost_scsi *vs,
struct vhost_virtqueue *vq, int head, unsigned out)
{
struct virtio_scsi_cmd_resp __user *resp;
struct virtio_scsi_cmd_resp rsp;
int ret;
memset(&rsp, 0, sizeof(rsp));
rsp.response = VIRTIO_SCSI_S_BAD_TARGET;
resp = vq->iov[out].iov_base;
ret = __copy_to_user(resp, &rsp, sizeof(rsp));
if (!ret)
vhost_add_used_and_signal(&vs->dev, vq, head, 0);
else
pr_err("Faulted on virtio_scsi_cmd_resp\n");
}
static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
struct vhost_virtqueue *vq)
{
......@@ -673,19 +690,7 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
/* Target does not exist, fail the request */
if (unlikely(!tv_tpg)) {
struct virtio_scsi_cmd_resp __user *resp;
struct virtio_scsi_cmd_resp rsp;
memset(&rsp, 0, sizeof(rsp));
rsp.response = VIRTIO_SCSI_S_BAD_TARGET;
resp = vq->iov[out].iov_base;
ret = __copy_to_user(resp, &rsp, sizeof(rsp));
if (!ret)
vhost_add_used_and_signal(&vs->dev,
vq, head, 0);
else
pr_err("Faulted on virtio_scsi_cmd_resp\n");
vhost_scsi_send_bad_target(vs, vq, head, out);
continue;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment