Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
hw/scsi-disk.c | 4 +++--
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 0e60de1..19e846c 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -987,8 +987,9 @@ static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r,
uint8_t *outbuf)
p += 8;
}
+ /* MMC prescribes that CD/DVD drives have no block descriptors. */
bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors);
- if (!dbd && nb_sectors) {
+ if (!dbd && s->qdev.type == TYPE_DISK && nb_sectors) {
if (r->req.cmd.buf[0] == MODE_SENSE) {
outbuf[3] = 8; /* Block descriptor length */
} else { /* MODE_SENSE_10 */
--
1.7.7.1
