[Qemu-devel] [PATCH 4/5] scsi: remove block descriptors from CDs

[Paolo Bonzini]

Signed-off-by: Paolo Bonzini <address@hidden>
---
 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