[SCSI] zfcp: register with SCSI layer on ccw registration

Synchronize the registration and de-registration with the SCSI layer
at CCW registration, de-registration. Before we registered with the
SCSI layer on adapter activation. This way the reg and de-reg process
is in balance.

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>
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index e529b55..f0f49fe 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -534,7 +534,8 @@
 
 	zfcp_fc_nameserver_init(adapter);
 
-	return 0;
+	if (!zfcp_adapter_scsi_register(adapter))
+		return 0;
 
 sysfs_failed:
 	zfcp_adapter_debug_unregister(adapter);
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 7281471..285881f 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -106,10 +106,6 @@
 	if (retval)
 		goto out;
 
-	retval = zfcp_adapter_scsi_register(adapter);
-	if (retval)
-		goto out_scsi_register;
-
 	/* initialize request counter */
 	BUG_ON(!zfcp_reqlist_isempty(adapter));
 	adapter->req_no = 0;
@@ -123,8 +119,6 @@
 	flush_work(&adapter->scan_work);
 	return 0;
 
- out_scsi_register:
-	zfcp_erp_thread_kill(adapter);
  out:
 	up(&zfcp_data.config_sema);
 	return retval;