[SCSI] qla2xxx: Additional NPIV corrections.

Minor fixes addressing:
- rport managements during vport deletion.
- acquire proper physical-ha during qla24xx_abort_command() and
qla24xx_queuecommand()
- do not needlessly acquire the pha for non-NPIV capable ISPs.

Signed-off-by: Andrew Vasquez <[e-mail]>
Signed-off-by: James Bottomley <[e-mail]>

drivers/scsi/qla2xxx/qla_attr.c

···
 qla24xx_vport_delete(struct fc_vport *fc_vport)
 {
 	scsi_qla_host_t *vha = fc_vport->dd_data;
+	scsi_qla_host_t *pha = to_qla_parent(vha);
+
+	while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
+	    test_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags))
+		msleep(1000);
 
 	qla24xx_disable_vp(vha);
 	qla24xx_deallocate_vp_id(vha);

drivers/scsi/qla2xxx/qla_init.c

···
 
 	/* Go with deferred removal of rport references. */
 	list_for_each_entry(fcport, &ha->fcports, list)
-		if (fcport->drport)
+		if (fcport->drport &&
+		    atomic_read(&fcport->state) != FCS_UNCONFIGURED)
 			qla2x00_rport_del(fcport);
 }
 

drivers/scsi/qla2xxx/qla_iocb.c

···
 {
 	int		ret, nseg;
 	unsigned long   flags;
-	scsi_qla_host_t	*ha, *pha;
+	scsi_qla_host_t	*ha;
 	struct scsi_cmnd *cmd;
 	uint32_t	*clr_ptr;
 	uint32_t        index;
···
 	/* Setup device pointers. */
 	ret = 0;
 	ha = sp->ha;
-	pha = to_qla_parent(ha);
 	reg = &ha->iobase->isp;
 	cmd = sp->cmd;
 	/* So we know we haven't pci_map'ed anything yet */
···
 	}
 
 	/* Acquire ring specific lock */
-	spin_lock_irqsave(&pha->hardware_lock, flags);
+	spin_lock_irqsave(&ha->hardware_lock, flags);
 
 	/* Check for room in outstanding command list. */
 	handle = ha->current_outstanding_cmd;
···
 	    ha->response_ring_ptr->signature != RESPONSE_PROCESSED)
 		qla2x00_process_response_queue(ha);
 
-	spin_unlock_irqrestore(&pha->hardware_lock, flags);
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 	return (QLA_SUCCESS);
 
 queuing_error:
 	if (tot_dsds)
 		scsi_dma_unmap(cmd);
 
-	spin_unlock_irqrestore(&pha->hardware_lock, flags);
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	return (QLA_FUNCTION_FAILED);
 }

drivers/scsi/qla2xxx/qla_mbx.c

···
 	uint32_t	handle;
 	mbx_cmd_t	mc;
 	mbx_cmd_t	*mcp = &mc;
-	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	DEBUG11(printk("qla2x00_abort_command(%ld): entered.\n", ha->host_no));
 
 	fcport = sp->fcport;
 
-	spin_lock_irqsave(&pha->hardware_lock, flags);
+	spin_lock_irqsave(&ha->hardware_lock, flags);
 	for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
 		if (ha->outstanding_cmds[handle] == sp)
 			break;
 	}
-	spin_unlock_irqrestore(&pha->hardware_lock, flags);
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	if (handle == MAX_OUTSTANDING_COMMANDS) {
 		/* command not found */
···
 
 	spin_lock_irqsave(&pha->hardware_lock, flags);
 	for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
-		if (ha->outstanding_cmds[handle] == sp)
+		if (pha->outstanding_cmds[handle] == sp)
 			break;
 	}
 	spin_unlock_irqrestore(&pha->hardware_lock, flags);

drivers/scsi/qla2xxx/qla_mid.c

···
 		    vha->host_no, fcport->loop_id, fcport->vp_idx));
 
 		qla2x00_mark_device_lost(vha, fcport, 0, 0);
+		atomic_set(&fcport->state, FCS_UNCONFIGURED);
 	}
 }
 

drivers/scsi/qla2xxx/qla_os.c

···
 	int rval;
 	scsi_qla_host_t *pha = to_qla_parent(ha);
 
-	if (unlikely(pci_channel_offline(ha->pdev))) {
+	if (unlikely(pci_channel_offline(pha->pdev))) {
 		cmd->result = DID_REQUEUE << 16;
 		goto qc24_fail_command;
 	}
···
 			    ha->host_no));
 		}
 
-		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
+		if (test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) {
 			qla2x00_update_fcports(ha);
+			clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
+		}
 
 		if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
 		    (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {