[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/sr.c b/drivers/scsi/sr.c
index d68cea7..fb4012b 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -320,25 +320,11 @@
* these are already setup, just copy cdb basically
*/
if (SCpnt->request->flags & REQ_BLOCK_PC) {
- struct request *rq = SCpnt->request;
+ scsi_setup_blk_pc_cmnd(SCpnt, MAX_RETRIES);
- if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
- return 0;
+ if (SCpnt->timeout_per_command)
+ timeout = SCpnt->timeout_per_command;
- memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
- SCpnt->cmd_len = rq->cmd_len;
- if (!rq->data_len)
- SCpnt->sc_data_direction = DMA_NONE;
- else if (rq_data_dir(rq) == WRITE)
- SCpnt->sc_data_direction = DMA_TO_DEVICE;
- else
- SCpnt->sc_data_direction = DMA_FROM_DEVICE;
-
- this_count = rq->data_len;
- if (rq->timeout)
- timeout = rq->timeout;
-
- SCpnt->transfersize = rq->data_len;
goto queue;
}