477 	struct parport_sysctl_table *t;  in parport_proc_register()  local
480 	t = kmemdup(&parport_sysctl_template, sizeof(*t), GFP_KERNEL);  in parport_proc_register()
481 	if (t == NULL)  in parport_proc_register()
484 	t->device_dir[0].extra1 = port;  in parport_proc_register()
487 		t->vars[i].extra1 = port;  in parport_proc_register()
489 	t->vars[0].data = &port->spintime;  in parport_proc_register()
490 	t->vars[5].child = t->device_dir;  in parport_proc_register()
493 		t->vars[6 + i].extra2 = &port->probe_info[i];  in parport_proc_register()
495 	t->port_dir[0].procname = port->name;  in parport_proc_register()
497 	t->port_dir[0].child = t->vars;  in parport_proc_register()
498 	t->parport_dir[0].child = t->port_dir;  in parport_proc_register()
499 	t->dev_dir[0].child = t->parport_dir;  in parport_proc_register()
501 	t->sysctl_header = register_sysctl_table(t->dev_dir);  in parport_proc_register()
502 	if (t->sysctl_header == NULL) {  in parport_proc_register()
503 		kfree(t);  in parport_proc_register()
504 		t = NULL;  in parport_proc_register()
506 	port->sysctl_table = t;  in parport_proc_register()
513 		struct parport_sysctl_table *t = port->sysctl_table;  in parport_proc_unregister()  local
515 		unregister_sysctl_table(t->sysctl_header);  in parport_proc_unregister()
516 		kfree(t);  in parport_proc_unregister()
523 	struct parport_device_sysctl_table *t;  in parport_device_proc_register()  local
526 	t = kmemdup(&parport_device_sysctl_template, sizeof(*t), GFP_KERNEL);  in parport_device_proc_register()
527 	if (t == NULL)  in parport_device_proc_register()
530 	t->dev_dir[0].child = t->parport_dir;  in parport_device_proc_register()
531 	t->parport_dir[0].child = t->port_dir;  in parport_device_proc_register()
532 	t->port_dir[0].procname = port->name;  in parport_device_proc_register()
533 	t->port_dir[0].child = t->devices_root_dir;  in parport_device_proc_register()
534 	t->devices_root_dir[0].child = t->device_dir;  in parport_device_proc_register()
536 	t->device_dir[0].procname = device->name;  in parport_device_proc_register()
537 	t->device_dir[0].child = t->vars;  in parport_device_proc_register()
538 	t->vars[0].data = &device->timeslice;  in parport_device_proc_register()
540 	t->sysctl_header = register_sysctl_table(t->dev_dir);  in parport_device_proc_register()
541 	if (t->sysctl_header == NULL) {  in parport_device_proc_register()
542 		kfree(t);  in parport_device_proc_register()
543 		t = NULL;  in parport_device_proc_register()
545 	device->sysctl_table = t;  in parport_device_proc_register()
552 		struct parport_device_sysctl_table *t = device->sysctl_table;  in parport_device_proc_unregister()  local
554 		unregister_sysctl_table(t->sysctl_header);  in parport_device_proc_unregister()
555 		kfree(t);  in parport_device_proc_unregister()