scsi: lpfc: remove duplicate unloading checks

During code reviews several instances of duplicate module unloading checks
were found.

Remove the duplicate checks.

Link: https://lore.kernel.org/r/20200421203354.49420-1-jsmart2021@gmail.comReviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/lpfc/lpfc_els.c

@@ -7936,19 +7936,13 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
 	if (unlikely(!pring))
 		return;
 
-	if ((phba->pport->load_flag & FC_UNLOADING))
+	if (phba->pport->load_flag & FC_UNLOADING)
 		return;
+
 	spin_lock_irq(&phba->hbalock);
 	if (phba->sli_rev == LPFC_SLI_REV4)
 		spin_lock(&pring->ring_lock);
 
-	if ((phba->pport->load_flag & FC_UNLOADING)) {
-		if (phba->sli_rev == LPFC_SLI_REV4)
-			spin_unlock(&pring->ring_lock);
-		spin_unlock_irq(&phba->hbalock);
-		return;
-	}
-
 	list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
 		cmd = &piocb->iocb;
 

drivers/scsi/lpfc/lpfc_nvme.c

@@ -1491,11 +1491,6 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
 
 	phba = vport->phba;
 
-	if (vport->load_flag & FC_UNLOADING) {
-		ret = -ENODEV;
-		goto out_fail;
-	}
-
 	if (unlikely(vport->load_flag & FC_UNLOADING)) {
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
 				 "6124 Fail IO, Driver unload\n");

drivers/scsi/lpfc/lpfc_nvmet.c

@@ -841,9 +841,6 @@ lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport,
 	struct ulp_bde64 bpl;
 	int rc;
 
-	if (phba->pport->load_flag & FC_UNLOADING)
-		return -ENODEV;
-
 	if (phba->pport->load_flag & FC_UNLOADING)
 		return -ENODEV;
 
@@ -938,11 +935,6 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport,
 		goto aerr;
 	}
 
-	if (phba->pport->load_flag & FC_UNLOADING) {
-		rc = -ENODEV;
-		goto aerr;
-	}
-
 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
 	if (ctxp->ts_cmd_nvme) {
 		if (rsp->op == NVMET_FCOP_RSP)
@@ -1062,9 +1054,6 @@ lpfc_nvmet_xmt_fcp_abort(struct nvmet_fc_target_port *tgtport,
 	struct lpfc_queue *wq;
 	unsigned long flags;
 
-	if (phba->pport->load_flag & FC_UNLOADING)
-		return;
-
 	if (phba->pport->load_flag & FC_UNLOADING)
 		return;