[SCSI] zfcp: Access ports and units with container_of in sysfs code

When accessing port and unit attributes, use container_of instead of
dev_get_drvdata. This eliminates some code checker warnings about
aliased access of data structures.

Reviewed-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, 0 insertions, 2 deletions

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index ed31bd0ff3fb..baef2ec7482f 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -319,7 +319,6 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
                 kfree(unit);
                 goto err_out;
         }
-        dev_set_drvdata(&unit->sysfs_device, unit);
         retval = -EINVAL;
 
         /* mark unit unusable as long as sysfs registration is not complete */
@@ -688,7 +687,6 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
                 kfree(port);
                 goto err_out;
         }
-        dev_set_drvdata(&port->sysfs_device, port);
         retval = -EINVAL;
 
         if (device_register(&port->sysfs_device)) {