We accidentally return zero here when ERR_PTR(-ENOMEM) is intended.
Fixes: a07b4970f464 ('nvmet: add a generic NVMe target')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
 
        port = kzalloc(sizeof(*port), GFP_KERNEL);
        if (!port)
-               return ERR_CAST(port);
+               return ERR_PTR(-ENOMEM);
 
        INIT_LIST_HEAD(&port->entry);
        config_group_init_type_name(&port->group, name, &nvmet_referral_type);
 
        port = kzalloc(sizeof(*port), GFP_KERNEL);
        if (!port)
-               return ERR_CAST(port);
+               return ERR_PTR(-ENOMEM);
 
        INIT_LIST_HEAD(&port->entry);
        INIT_LIST_HEAD(&port->subsystems);