--- zzzz-none-000/linux-3.10.107/drivers/scsi/isci/request.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/scsi/isci/request.c	2021-02-04 17:41:59.000000000 +0000
@@ -184,8 +184,8 @@
 	cmd_iu->task_attr = task->ssp_task.task_attr;
 	cmd_iu->_r_c = 0;
 
-	sci_swab32_cpy(&cmd_iu->cdb, task->ssp_task.cdb,
-		       sizeof(task->ssp_task.cdb) / sizeof(u32));
+	sci_swab32_cpy(&cmd_iu->cdb, task->ssp_task.cmd->cmnd,
+		       (task->ssp_task.cmd->cmd_len+3) / sizeof(u32));
 }
 
 static void sci_task_request_build_ssp_task_iu(struct isci_request *ireq)
@@ -694,7 +694,7 @@
 	}
 
 	/* ATAPI */
-	if (dev->sata_dev.command_set == ATAPI_COMMAND_SET &&
+	if (dev->sata_dev.class == ATA_DEV_ATAPI &&
 	    task->ata_task.fis.command == ATA_CMD_PACKET) {
 		sci_atapi_construct(ireq);
 		return SCI_SUCCESS;
@@ -2723,13 +2723,9 @@
 	memcpy(resp->ending_fis, fis, sizeof(*fis));
 	ts->buf_valid_size = sizeof(*resp);
 
-	/* If the device fault bit is set in the status register, then
-	 * set the sense data and return.
-	 */
-	if (fis->status & ATA_DF)
+	/* If an error is flagged let libata decode the fis */
+	if (ac_err_mask(fis->status))
 		ts->stat = SAS_PROTO_RESPONSE;
-	else if (fis->status & ATA_ERR)
-		ts->stat = SAM_STAT_CHECK_CONDITION;
 	else
 		ts->stat = SAM_STAT_GOOD;
 
@@ -2984,7 +2980,7 @@
 		state = SCI_REQ_SMP_WAIT_RESP;
 	} else if (task && sas_protocol_ata(task->task_proto) &&
 		   !task->ata_task.use_ncq) {
-		if (dev->sata_dev.command_set == ATAPI_COMMAND_SET &&
+		if (dev->sata_dev.class == ATA_DEV_ATAPI &&
 			task->ata_task.fis.command == ATA_CMD_PACKET) {
 			state = SCI_REQ_ATAPI_WAIT_H2D;
 		} else if (task->data_dir == DMA_NONE) {