[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>
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index eb3af41a3..4a67320 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -1038,6 +1038,10 @@
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 @@
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 @@
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);