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-rw-r--r--drivers/s390/scsi/zfcp_aux.c1
-rw-r--r--drivers/s390/scsi/zfcp_ccw.c5
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c3
3 files changed, 5 insertions, 4 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index ddff40c4212..821cde65e36 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -1127,6 +1127,7 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
int retval = 0;
unsigned long flags;
+ zfcp_adapter_scsi_unregister(adapter);
device_unregister(&adapter->generic_services);
zfcp_sysfs_adapter_remove_files(&adapter->ccw_device->dev);
dev_set_drvdata(&adapter->ccw_device->dev, NULL);
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 81680efa172..1c8f71a5985 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -189,9 +189,7 @@ zfcp_ccw_set_online(struct ccw_device *ccw_device)
* @ccw_device: pointer to belonging ccw device
*
* This function gets called by the common i/o layer and sets an adapter
- * into state offline. Setting an fcp device offline means that it will be
- * unregistered from the SCSI stack and that the adapter will be shut down
- * asynchronously.
+ * into state offline.
*/
static int
zfcp_ccw_set_offline(struct ccw_device *ccw_device)
@@ -202,7 +200,6 @@ zfcp_ccw_set_offline(struct ccw_device *ccw_device)
adapter = dev_get_drvdata(&ccw_device->dev);
zfcp_erp_adapter_shutdown(adapter, 0);
zfcp_erp_wait(adapter);
- zfcp_adapter_scsi_unregister(adapter);
zfcp_erp_thread_kill(adapter);
zfcp_adapter_debug_unregister(adapter);
up(&zfcp_data.config_sema);
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 16e2d64658a..0acf6db0a08 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -569,6 +569,9 @@ zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
int retval = 0;
static unsigned int unique_id = 0;
+ if (adapter->scsi_host)
+ goto out;
+
/* register adapter as SCSI host with mid layer of SCSI stack */
adapter->scsi_host = scsi_host_alloc(&zfcp_data.scsi_host_template,
sizeof (struct zfcp_adapter *));