[SCSI] zfcp: Add FC pass-through support

Provide the ability to do fibre channel requests from the userspace to
our zfcp driver.  Patch builds upon extension to the fibre channel
tranport class by James Smart and Seokmann Ju.  See here
http://marc.info/?l=linux-scsi&m=123808882309133&w=2

Signed-off-by: Sven Schuetz <sven@linux.vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 3ac27ee47396..2ccbd185a5fb 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -470,6 +470,12 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
         if (!adapter)
                 return -ENOMEM;
 
+        adapter->gs = kzalloc(sizeof(struct zfcp_wka_ports), GFP_KERNEL);
+        if (!adapter->gs) {
+                kfree(adapter);
+                return -ENOMEM;
+        }
+
         ccw_device->handler = NULL;
         adapter->ccw_device = ccw_device;
         atomic_set(&adapter->refcount, 0);
@@ -523,8 +529,7 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
                 goto sysfs_failed;
 
         atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status);
-
-        zfcp_fc_nameserver_init(adapter);
+        zfcp_fc_wka_ports_init(adapter);
 
         if (!zfcp_adapter_scsi_register(adapter))
                 return 0;
@@ -571,6 +576,7 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
         kfree(adapter->req_list);
         kfree(adapter->fc_stats);
         kfree(adapter->stats_reset_data);
+        kfree(adapter->gs);
         kfree(adapter);
 }