[PATCH v3 04/18] scsi: libsas: Delete SAS_SG_ERR

[John Garry]

No LLDD sets exec status as SAS_SG_ERR, so remove support.

Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
Tested-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
---
 drivers/scsi/libsas/sas_ata.c       | 2 --
 drivers/scsi/libsas/sas_scsi_host.c | 3 ---
 include/scsi/libsas.h               | 1 -
 3 files changed, 6 deletions(-)

diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index e0030a093994..71b42fe95b6f 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -52,8 +52,6 @@ static enum ata_completion_errors sas_to_ata_err(struct task_status_struct *ts)
 	case SAS_DATA_OVERRUN:
 	case SAS_QUEUE_FULL:
 	case SAS_DEVICE_UNKNOWN:
-	case SAS_SG_ERR:
-		return AC_ERR_INVALID;
 	case SAS_OPEN_TO:
 	case SAS_OPEN_REJECT:
 		pr_warn("%s: Saw error %d.  What to do?\n",
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 19cb954afd80..387083a16a79 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -67,9 +67,6 @@ static void sas_end_task(struct scsi_cmnd *sc, struct sas_task *task)
 		case SAS_DEVICE_UNKNOWN:
 			hs = DID_BAD_TARGET;
 			break;
-		case SAS_SG_ERR:
-			hs = DID_PARITY;
-			break;
 		case SAS_OPEN_REJECT:
 			if (ts->open_rej_reason == SAS_OREJ_RSVD_RETRY)
 				hs = DID_SOFT_ERROR; /* retry */
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 8026c1bb57ba..cd2b2b67bf93 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -492,7 +492,6 @@ enum exec_status {
 	SAS_INTERRUPTED,
 	SAS_QUEUE_FULL,
 	SAS_DEVICE_UNKNOWN,
-	SAS_SG_ERR,
 	SAS_OPEN_REJECT,
 	SAS_OPEN_TO,
 	SAS_PROTO_RESPONSE,
-- 
2.26.2