The command direction according to the guest-passed buffers
is already stored in the VirtIOSCSIReq. We can use it instead
of computing it again from req->elem.
Cc: Laszlo Ersek <ler...@redhat.com>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
hw/scsi/virtio-scsi.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index f0d21a3..6953cbe 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -430,13 +430,7 @@ static int virtio_scsi_parse_cdb(SCSIDevice *dev,
SCSICommand *cmd,
* host device passthrough.
*/
cmd->xfer = req->qsgl.size;
- if (cmd->xfer == 0) {
- cmd->mode = SCSI_XFER_NONE;
- } else if (iov_size(req->elem.in_sg, req->elem.in_num) > req->resp_size) {
- cmd->mode = SCSI_XFER_FROM_DEV;
- } else {
- cmd->mode = SCSI_XFER_TO_DEV;
- }
+ cmd->mode = req->mode;
return 0;
}
--
1.8.3.1
