pata_it821x: use raw nbytes in check_atapi_dma
pata_it821x needs to look at raw request size in check_atapi_dma().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 109ddd4..257951d 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -564,7 +564,7 @@
struct it821x_dev *itdev = ap->private_data;
/* Only use dma for transfers to/from the media. */
- if (qc->nbytes < 2048)
+ if (ata_qc_raw_nbytes(qc) < 2048)
return -EOPNOTSUPP;
/* No ATAPI DMA in smart mode */