diff options
Diffstat (limited to 'drivers/cdrom/cdrom.c')
| -rw-r--r-- | drivers/cdrom/cdrom.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 76c952fd9ab9..e36d160c458f 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2178,6 +2178,12 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, if (!q) return -ENXIO; + if (!blk_queue_scsi_passthrough(q)) { + WARN_ONCE(true, + "Attempt read CDDA info through a non-SCSI queue\n"); + return -EINVAL; + } + cdi->last_sense = 0; while (nframes) { @@ -2195,7 +2201,6 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, break; } req = scsi_req(rq); - scsi_req_init(rq); ret = blk_rq_map_user(q, rq, NULL, ubuf, len, GFP_KERNEL); if (ret) { |