diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index e4a2f8f..66d028d 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2139,8 +2139,7 @@
 			cdi->last_sense = s->sense_key;
 		}
 
-		rq->bio = bio;
-		if (blk_rq_unmap_user(rq))
+		if (blk_rq_unmap_user(bio))
 			ret = -EFAULT;
 
 		if (ret)