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sbp2: proper treatment of DID_OK

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Sbp2 relied on DID_OK to be defined as 0. Always shift DID_OK into the right
position anyway, and explicitly return DID_OK together with CHECK_CONDITION.
Also comment on some #if 0 code. The patch does not change current behaviour.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
This commit is contained in:
Stefan Richter 2006-03-28 20:03:45 -05:00 committed by Jody McIntyre
parent 23e93f1742
commit 8f0525ff19
1 changed files with 5 additions and 3 deletions
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8
drivers/ieee1394/sbp2.c
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@ -2410,7 +2410,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
*/
switch (scsi_status) {
case SBP2_SCSI_STATUS_GOOD:
SCpnt->result = DID_OK;
SCpnt->result = DID_OK << 16;
break;
case SBP2_SCSI_STATUS_BUSY:
@ -2420,7 +2420,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
case SBP2_SCSI_STATUS_CHECK_CONDITION:
SBP2_DEBUG("SBP2_SCSI_STATUS_CHECK_CONDITION");
SCpnt->result = CHECK_CONDITION << 1;
SCpnt->result = CHECK_CONDITION << 1 | DID_OK << 16;
/*
* Debug stuff
@ -2454,7 +2454,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
/*
* Take care of any sbp2 response data mucking here (RBC stuff, etc.)
*/
if (SCpnt->result == DID_OK) {
if (SCpnt->result == DID_OK << 16) {
sbp2_check_sbp2_response(scsi_id, SCpnt);
}
@ -2472,6 +2472,8 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
* If a unit attention occurs, return busy status so it gets
* retried... it could have happened because of a 1394 bus reset
* or hot-plug...
* XXX DID_BUS_BUSY is actually a bad idea because it will defy
* the scsi layer's retry logic.
*/
#if 0
if ((scsi_status == SBP2_SCSI_STATUS_CHECK_CONDITION) &&