1 files changed, 22 insertions, 10 deletions

diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index e3dbeda97179..160b432c907f 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -141,9 +141,13 @@ static int zfcp_erp_required_act(int want, struct zfcp_adapter *adapter,
                 if (!(p_status & ZFCP_STATUS_COMMON_UNBLOCKED))
                         need = ZFCP_ERP_ACTION_REOPEN_PORT;
                 /* fall through */
-        case ZFCP_ERP_ACTION_REOPEN_PORT:
         case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
                 p_status = atomic_read(&port->status);
+                if (!(p_status & ZFCP_STATUS_COMMON_OPEN))
+                        need = ZFCP_ERP_ACTION_REOPEN_PORT;
+                /* fall through */
+        case ZFCP_ERP_ACTION_REOPEN_PORT:
+                p_status = atomic_read(&port->status);
                 if (p_status & ZFCP_STATUS_COMMON_ERP_INUSE)
                         return 0;
                 a_status = atomic_read(&adapter->status);
@@ -714,6 +718,14 @@ static int zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *act)
         if (zfcp_erp_adapter_strategy_open_fsf_xport(act) == ZFCP_ERP_FAILED)
                 return ZFCP_ERP_FAILED;
 
+        if (mempool_resize(act->adapter->pool.status_read_data,
+                           act->adapter->stat_read_buf_num, GFP_KERNEL))
+                return ZFCP_ERP_FAILED;
+
+        if (mempool_resize(act->adapter->pool.status_read_req,
+                           act->adapter->stat_read_buf_num, GFP_KERNEL))
+                return ZFCP_ERP_FAILED;
+
         atomic_set(&act->adapter->stat_miss, act->adapter->stat_read_buf_num);
         if (zfcp_status_read_refill(act->adapter))
                 return ZFCP_ERP_FAILED;
@@ -885,8 +897,7 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
                 }
                 if (port->d_id && !(p_status & ZFCP_STATUS_COMMON_NOESC)) {
                         port->d_id = 0;
-                        _zfcp_erp_port_reopen(port, 0, "erpsoc1", NULL);
-                        return ZFCP_ERP_EXIT;
+                        return ZFCP_ERP_FAILED;
                 }
                 /* fall through otherwise */
         }
@@ -1180,19 +1191,14 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
 
         switch (act->action) {
         case ZFCP_ERP_ACTION_REOPEN_UNIT:
-                if ((result == ZFCP_ERP_SUCCEEDED) && !unit->device) {
-                        get_device(&unit->dev);
-                        if (scsi_queue_work(unit->port->adapter->scsi_host,
-                                            &unit->scsi_work) <= 0)
-                                put_device(&unit->dev);
-                }
                 put_device(&unit->dev);
                 break;
 
-        case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
         case ZFCP_ERP_ACTION_REOPEN_PORT:
                 if (result == ZFCP_ERP_SUCCEEDED)
                         zfcp_scsi_schedule_rport_register(port);
+                /* fall through */
+        case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
                 put_device(&port->dev);
                 break;
 
@@ -1239,6 +1245,11 @@ static int zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
                 goto unlock;
         }
 
+        if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
+                retval = ZFCP_ERP_FAILED;
+                goto check_target;
+        }
+
         zfcp_erp_action_to_running(erp_action);
 
         /* no lock to allow for blocking operations */
@@ -1271,6 +1282,7 @@ static int zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
                 goto unlock;
         }
 
+check_target:
         retval = zfcp_erp_strategy_check_target(erp_action, retval);
         zfcp_erp_action_dequeue(erp_action);
         retval = zfcp_erp_strategy_statechange(erp_action, retval);