diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index a54273d..a5c08b0 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1111,7 +1111,7 @@
  */
 static int atapi_drain_needed(struct request *rq)
 {
-	if (likely(!blk_pc_request(rq)))
+	if (likely(rq->cmd_type != REQ_TYPE_BLOCK_PC))
 		return 0;
 
 	if (!blk_rq_bytes(rq) || (rq->cmd_flags & REQ_RW))