From: Michael S. Tsirkin mst@redhat.com
commit 295c1b9852d000580786375304a9800bd9634d15 upstream.
vhost/scsi doesn't handle type conversion correctly for request type when using virtio 1.0 and up for BE, or cross-endian platforms.
Fix it up using vhost_32_to_cpu.
Cc: stable@vger.kernel.org Signed-off-by: Michael S. Tsirkin mst@redhat.com Acked-by: Jason Wang jasowang@redhat.com Reviewed-by: Stefan Hajnoczi stefanha@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/vhost/scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1215,7 +1215,7 @@ vhost_scsi_ctl_handle_vq(struct vhost_sc continue; }
- switch (v_req.type) { + switch (vhost32_to_cpu(vq, v_req.type)) { case VIRTIO_SCSI_T_TMF: vc.req = &v_req.tmf; vc.req_size = sizeof(struct virtio_scsi_ctrl_tmf_req);