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path: root/drivers/cdrom/cdrom.c
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Diffstat (limited to 'drivers/cdrom/cdrom.c')
-rw-r--r--drivers/cdrom/cdrom.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 76c952fd9ab9..ff19cfc587f0 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) {