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authorPaolo Bonzini <pbonzini@redhat.com>2011-11-14 14:31:50 +0100
committerKevin Wolf <kwolf@redhat.com>2011-11-18 14:09:05 +0100
commit0fd76ff40b43f5c9f02086a8d53c6157fc0d94a0 (patch)
tree0fd8dad47e4d6fba4a2b65d115f479e5c97e455a /hw/scsi-disk.c
parent06b863577e960413466560d44e2e38eaaca1257e (diff)
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>
Diffstat (limited to 'hw/scsi-disk.c')
-rw-r--r--hw/scsi-disk.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 0b06fefc1d..9dd2be8866 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -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 */