479 	struct parport_sysctl_table *t;  in parport_proc_register()  local
482 	t = kmemdup(&parport_sysctl_template, sizeof(*t), GFP_KERNEL);  in parport_proc_register()
483 	if (t == NULL)  in parport_proc_register()
486 	t->device_dir[0].extra1 = port;  in parport_proc_register()
489 		t->vars[i].extra1 = port;  in parport_proc_register()
491 	t->vars[0].data = &port->spintime;  in parport_proc_register()
492 	t->vars[5].child = t->device_dir;  in parport_proc_register()
495 		t->vars[6 + i].extra2 = &port->probe_info[i];  in parport_proc_register()
497 	t->port_dir[0].procname = port->name;  in parport_proc_register()
499 	t->port_dir[0].child = t->vars;  in parport_proc_register()
500 	t->parport_dir[0].child = t->port_dir;  in parport_proc_register()
501 	t->dev_dir[0].child = t->parport_dir;  in parport_proc_register()
503 	t->sysctl_header = register_sysctl_table(t->dev_dir);  in parport_proc_register()
504 	if (t->sysctl_header == NULL) {  in parport_proc_register()
505 		kfree(t);  in parport_proc_register()
506 		t = NULL;  in parport_proc_register()
508 	port->sysctl_table = t;  in parport_proc_register()
515 		struct parport_sysctl_table *t = port->sysctl_table;  in parport_proc_unregister()  local
517 		unregister_sysctl_table(t->sysctl_header);  in parport_proc_unregister()
518 		kfree(t);  in parport_proc_unregister()
525 	struct parport_device_sysctl_table *t;  in parport_device_proc_register()  local
528 	t = kmemdup(&parport_device_sysctl_template, sizeof(*t), GFP_KERNEL);  in parport_device_proc_register()
529 	if (t == NULL)  in parport_device_proc_register()
532 	t->dev_dir[0].child = t->parport_dir;  in parport_device_proc_register()
533 	t->parport_dir[0].child = t->port_dir;  in parport_device_proc_register()
534 	t->port_dir[0].procname = port->name;  in parport_device_proc_register()
535 	t->port_dir[0].child = t->devices_root_dir;  in parport_device_proc_register()
536 	t->devices_root_dir[0].child = t->device_dir;  in parport_device_proc_register()
538 	t->device_dir[0].procname = device->name;  in parport_device_proc_register()
539 	t->device_dir[0].child = t->vars;  in parport_device_proc_register()
540 	t->vars[0].data = &device->timeslice;  in parport_device_proc_register()
542 	t->sysctl_header = register_sysctl_table(t->dev_dir);  in parport_device_proc_register()
543 	if (t->sysctl_header == NULL) {  in parport_device_proc_register()
544 		kfree(t);  in parport_device_proc_register()
545 		t = NULL;  in parport_device_proc_register()
547 	device->sysctl_table = t;  in parport_device_proc_register()
554 		struct parport_device_sysctl_table *t = device->sysctl_table;  in parport_device_proc_unregister()  local
556 		unregister_sysctl_table(t->sysctl_header);  in parport_device_proc_unregister()
557 		kfree(t);  in parport_device_proc_unregister()