[SCSI] zfcp: Enable debug feature before setting adapter online

Already register the debug feature before the zfcp adapter is
set online. This allows to use the debug feature to investigate
the online/offline sequence.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index eb3af41a3c1c..4a67320fb4bc 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -1038,6 +1038,10 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
         spin_lock_init(&adapter->san_dbf_lock);
         spin_lock_init(&adapter->scsi_dbf_lock);
 
+        retval = zfcp_adapter_debug_register(adapter);
+        if (retval)
+                goto debug_register_failed;
+
         /* initialize error recovery stuff */
 
         rwlock_init(&adapter->erp_lock);
@@ -1084,6 +1088,8 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
  generic_services_failed:
         zfcp_sysfs_adapter_remove_files(&adapter->ccw_device->dev);
  sysfs_failed:
+        zfcp_adapter_debug_unregister(adapter);
+ debug_register_failed:
         dev_set_drvdata(&ccw_device->dev, NULL);
         zfcp_reqlist_free(adapter);
  failed_low_mem_buffers:
@@ -1129,6 +1135,8 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
                 goto out;
         }
 
+        zfcp_adapter_debug_unregister(adapter);
+
         /* remove specified adapter data structure from list */
         write_lock_irq(&zfcp_data.config_lock);
         list_del(&adapter->list);