[SCSI] Consolidate REQ_BLOCK_PC handling path (fix ipod panic)
This follows on from Jens' patch and consolidates all of the ULD
separate handlers for REQ_BLOCK_PC into a single call which has his
fix for our direction bug.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 7ac6ea1..dd592f6 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4194,27 +4194,10 @@
*/
static int st_init_command(struct scsi_cmnd *SCpnt)
{
- struct request *rq;
-
if (!(SCpnt->request->flags & REQ_BLOCK_PC))
return 0;
- rq = SCpnt->request;
- if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
- return 0;
-
- memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
- SCpnt->cmd_len = rq->cmd_len;
-
- if (rq_data_dir(rq) == WRITE)
- SCpnt->sc_data_direction = DMA_TO_DEVICE;
- else if (rq->data_len)
- SCpnt->sc_data_direction = DMA_FROM_DEVICE;
- else
- SCpnt->sc_data_direction = DMA_NONE;
-
- SCpnt->timeout_per_command = rq->timeout;
- SCpnt->transfersize = rq->data_len;
+ scsi_setup_blk_pc_cmnd(SCpnt, 0);
SCpnt->done = st_intr;
return 1;
}