vserver 2.0 rc7

[linux-2.6.git] / drivers / s390 / scsi / zfcp_erp.c

diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index cfc0d8c..53ebc1c 100644 (file)
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -2568,6 +2568,23 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
        case ZFCP_ERP_STEP_UNINITIALIZED:
        case ZFCP_ERP_STEP_PHYS_PORT_CLOSING:
        case ZFCP_ERP_STEP_PORT_CLOSING:
+               if (adapter->fc_topology == FSF_TOPO_P2P) {
+                       if (port->wwpn != adapter->peer_wwpn) {
+                               ZFCP_LOG_NORMAL("Failed to open port 0x%016Lx "
+                                               "on adapter %s.\nPeer WWPN "
+                                               "0x%016Lx does not match\n",
+                                               port->wwpn,
+                                               zfcp_get_busid_by_adapter(adapter),
+                                               adapter->peer_wwpn);
+                               zfcp_erp_port_failed(port);
+                               retval = ZFCP_ERP_FAILED;
+                               break;
+                       }
+                       port->d_id = adapter->peer_d_id;
+                       atomic_set_mask(ZFCP_STATUS_PORT_DID_DID, &port->status);
+                       retval = zfcp_erp_port_strategy_open_port(erp_action);
+                       break;
+               }
                if (!(adapter->nameserver_port)) {
                        retval = zfcp_nameserver_enqueue(adapter);
                        if (retval != 0) {
@@ -3516,8 +3533,9 @@ zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter)
        debug_text_event(adapter->erp_dbf, 3, "a_access_unblock");
        debug_event(adapter->erp_dbf, 3, &adapter->name, 8);
 
-       zfcp_erp_port_access_changed(adapter->nameserver_port);
        read_lock_irqsave(&zfcp_data.config_lock, flags);
+       if (adapter->nameserver_port)
+               zfcp_erp_port_access_changed(adapter->nameserver_port);
        list_for_each_entry(port, &adapter->port_list_head, list)
                if (port != adapter->nameserver_port)
                        zfcp_erp_port_access_changed(port);