scsi: qla2xxx: Use scsi_cmd_to_rq() instead of scsi_cmnd.request

Prepare for removal of the request pointer by using scsi_cmd_to_rq()
instead. This patch does not change any functionality.

Link: https://lore.kernel.org/r/20210809230355.8186-39-bvanassche@acm.orgSigned-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_os.c

@@ -854,7 +854,7 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 		uint16_t hwq;
 		struct qla_qpair *qpair = NULL;
 
-		tag = blk_mq_unique_tag(cmd->request);
+		tag = blk_mq_unique_tag(scsi_cmd_to_rq(cmd));
 		hwq = blk_mq_unique_tag_to_hwq(tag);
 		qpair = ha->queue_pair_map[hwq];
 
@@ -1763,7 +1763,7 @@ static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
 		}
 
 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
-		if (ret_cmd && blk_mq_request_started(cmd->request))
+		if (ret_cmd && blk_mq_request_started(scsi_cmd_to_rq(cmd)))
 			sp->done(sp, res);
 	} else {
 		sp->done(sp, res);