qla2xxx: Remove direct access of scsi_status field in se_cmd

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/scsi/qla2xxx/qla_def.h

@@ -1794,6 +1794,7 @@ typedef struct {
 #define SS_RESIDUAL_OVER		BIT_10
 #define SS_SENSE_LEN_VALID		BIT_9
 #define SS_RESPONSE_INFO_LEN_VALID	BIT_8
+#define SS_SCSI_STATUS_BYTE	0xff
 
 #define SS_RESERVE_CONFLICT		(BIT_4 | BIT_3)
 #define SS_BUSY_CONDITION		BIT_3

drivers/scsi/qla2xxx/qla_target.c

@@ -2288,7 +2288,7 @@ static void qlt_24xx_init_ctio_to_isp(struct ctio7_to_24xx *ctio,
 		int i;
 
 		if (qlt_need_explicit_conf(prm->tgt->ha, prm->cmd, 1)) {
-			if (prm->cmd->se_cmd.scsi_status != 0) {
+			if ((prm->rq_result & SS_SCSI_STATUS_BYTE) != 0) {
 				ql_dbg(ql_dbg_tgt, prm->cmd->vha, 0xe017,
 				    "Skipping EXPLICIT_CONFORM and "
 				    "CTIO7_FLAGS_CONFORM_REQ for FCP READ w/ "