[SCSI] zfcp: Enable auto-port discovery for NPIV.

Since we're setting the host port type now to FC_PORTTYPE_NPIV
for adapters running in NPIV mode we should allow this port type
for auto-port scanning as well.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/s390/scsi/zfcp_fc.c

@@ -637,7 +637,8 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
 	max_entries = chain ? ZFCP_GPN_FT_MAX_ENTRIES : ZFCP_GPN_FT_ENTRIES;
 	max_bytes = chain ? ZFCP_GPN_FT_MAX_SIZE : ZFCP_CT_SIZE_ONE_PAGE;
 
-	if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT)
+	if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT &&
+	    fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV)
 		return 0;
 
 	ret = zfcp_wka_port_get(&adapter->nsp);