[SCSI] mpt2sas: Return the correct sense key for DIF errors

Only a target device should return ABORTED COMMAND when a PI error is
discovered. The HBA should always set the sense key to ILLEGAL REQUEST.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: "Sreekanth Reddy" <Sreekanth.reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/mpt2sas/mpt2sas_scsih.c

@@ -3772,8 +3772,6 @@ static void
 _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
 {
 	u8 ascq;
-	u8 sk;
-	u8 host_byte;
 
 	switch (ioc_status) {
 	case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
@@ -3790,16 +3788,8 @@ _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
 		break;
 	}
 
-	if (scmd->sc_data_direction == DMA_TO_DEVICE) {
-		sk = ILLEGAL_REQUEST;
-		host_byte = DID_ABORT;
-	} else {
-		sk = ABORTED_COMMAND;
-		host_byte = DID_OK;
-	}
-
-	scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq);
-	scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) |
+	scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, ascq);
+	scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
 	    SAM_STAT_CHECK_CONDITION;
 }