scsi: remove block descriptors from CDs

Reported-by: Thomas Schmitt <scdbackup@gmx.net>
Tested-by: Thomas Schmitt <scdbackup@gmx.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2011-11-14 14:31:50 +01:00 committed by Kevin Wolf
parent 06b863577e
commit 0fd76ff40b
1 changed files with 2 additions and 1 deletions

View File

@ -956,8 +956,9 @@ 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 */