1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 2733b0c90b75..6e4c600f5a1c 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1084,7 +1084,7 @@ static int atapi_drain_needed(struct request *rq)
         if (likely(!blk_pc_request(rq)))
                 return 0;
 
-        if (!rq->data_len || (rq->cmd_flags & REQ_RW))
+        if (!blk_rq_bytes(rq) || (rq->cmd_flags & REQ_RW))
                 return 0;
 
         return atapi_cmd_type(rq->cmd[0]) == ATAPI_MISC;