diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/scsi/zfcp_aux.c | 1 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_ccw.c | 5 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 3 |
3 files changed, 5 insertions, 4 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index ddff40c4212c..821cde65e369 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 81680efa1721..1c8f71a59855 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 16e2d64658af..0acf6db0a08d 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 *)); |
