[SCSI] zfcp: Replace local reference counting with common kref

Replace the local reference counting by already available mechanisms
offered by kref. Where possible existing device structures were used,
including the same functionality.

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@suse.de>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 9df62f686812..3aad70916289 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1492,7 +1492,7 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
         }
 
 out:
-        zfcp_port_put(port);
+        put_device(&port->sysfs_device);
 }
 
 /**
@@ -1530,14 +1530,14 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
         req->data = port;
         req->erp_action = erp_action;
         erp_action->fsf_req = req;
-        zfcp_port_get(port);
+        get_device(&port->sysfs_device);
 
         zfcp_fsf_start_erp_timer(req);
         retval = zfcp_fsf_req_send(req);
         if (retval) {
                 zfcp_fsf_req_free(req);
                 erp_action->fsf_req = NULL;
-                zfcp_port_put(port);
+                put_device(&port->sysfs_device);
         }
 out:
         spin_unlock_bh(&qdio->req_q_lock);
@@ -2335,7 +2335,7 @@ skip_fsfstatus:
         else {
                 zfcp_fsf_send_fcp_command_task_handler(req);
                 req->unit = NULL;
-                zfcp_unit_put(unit);
+                put_device(&unit->sysfs_device);
         }
 }
 
@@ -2387,7 +2387,7 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit,
         }
 
         req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-        zfcp_unit_get(unit);
+        get_device(&unit->sysfs_device);
         req->unit = unit;
         req->data = scsi_cmnd;
         req->handler = zfcp_fsf_send_fcp_command_handler;
@@ -2463,7 +2463,7 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit,
         goto out;
 
 failed_scsi_cmnd:
-        zfcp_unit_put(unit);
+        put_device(&unit->sysfs_device);
         zfcp_fsf_req_free(req);
         scsi_cmnd->host_scribble = NULL;
 out: