[PATCH #upstream-fixes] libata: update atapi_eh_request_sense() such that lbam/lbah contains buffer size

[Tejun Heo <htejun@gmail.com>]

While updating lbam/h for ATAPI commands, atapi_eh_request_sense() was
left out.  Update it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
---
This patch is from improve-ATAPI-data-xfer patchset pending for
#upstream.

 drivers/ata/libata-eh.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: work/drivers/ata/libata-eh.c
===================================================================
--- work.orig/drivers/ata/libata-eh.c
+++ work/drivers/ata/libata-eh.c
@@ -1264,8 +1264,8 @@ static unsigned int atapi_eh_request_sen
 		tf.feature |= ATAPI_PKT_DMA;
 	} else {
 		tf.protocol = ATA_PROT_ATAPI;
-		tf.lbam = (8 * 1024) & 0xff;
-		tf.lbah = (8 * 1024) >> 8;
+		tf.lbam = SCSI_SENSE_BUFFERSIZE;
+		tf.lbah = 0;
 	}
 
 	return ata_exec_internal(dev, &tf, cdb, DMA_FROM_DEVICE,