Share the send bad target code with other use cases.
Signed-off-by: Asias He <asias@xxxxxxxxxx>
---
drivers/vhost/tcm_vhost.c | 31 ++++++++++++++++++-------------
1 file changed, 18 insertions(+), 13 deletions(-)
diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index e8d1a1f..1c719ed 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -569,6 +569,23 @@ 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)
{
@@ -664,19 +681,7 @@ 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, out, head);
continue;
}
--
1.8.1.4
--
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