The SCSI core never sets sc_data_direction to DMA_BIDIRECTIONAL.
Hence remove the code that tests for this value.
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Cc: Adam Radford <linuxraid@xxxxxxx>
---
drivers/scsi/3w-9xxx.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index cd4129f..e83e3b7 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1854,8 +1854,7 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
if (scsi_sg_count(srb)) {
if ((scsi_sg_count(srb) == 1) &&
(scsi_bufflen(srb) < TW_MIN_SGL_LENGTH)) {
- if (srb->sc_data_direction == DMA_TO_DEVICE ||
- srb->sc_data_direction == DMA_BIDIRECTIONAL)
+ if (srb->sc_data_direction == DMA_TO_DEVICE)
scsi_sg_copy_to_buffer(srb,
tw_dev->generic_buffer_virt[request_id],
TW_SECTOR_SIZE);
@@ -1927,8 +1926,7 @@ static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int re
struct scsi_cmnd *cmd = tw_dev->srb[request_id];
if (scsi_bufflen(cmd) < TW_MIN_SGL_LENGTH &&
- (cmd->sc_data_direction == DMA_FROM_DEVICE ||
- cmd->sc_data_direction == DMA_BIDIRECTIONAL)) {
+ cmd->sc_data_direction == DMA_FROM_DEVICE) {
if (scsi_sg_count(cmd) == 1) {
void *buf = tw_dev->generic_buffer_virt[request_id];
--
2.1.2
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