432 	struct parport_sysctl_table *t;  in parport_proc_register()  local
437 	t = kmemdup(&parport_sysctl_template, sizeof(*t), GFP_KERNEL);  in parport_proc_register()
438 	if (t == NULL)  in parport_proc_register()
441 	t->device_dir[0].extra1 = port;  in parport_proc_register()
443 	t->vars[0].data = &port->spintime;  in parport_proc_register()
445 		t->vars[i].extra1 = port;  in parport_proc_register()
446 		t->vars[5 + i].extra2 = &port->probe_info[i];  in parport_proc_register()
467 	t->devices_header = register_sysctl(tmp_dir_path, t->device_dir);  in parport_proc_register()
468 	if (t->devices_header == NULL) {  in parport_proc_register()
481 	t->port_header = register_sysctl(tmp_dir_path, t->vars);  in parport_proc_register()
482 	if (t->port_header == NULL) {  in parport_proc_register()
487 	port->sysctl_table = t;  in parport_proc_register()
493 	unregister_sysctl_table(t->devices_header);  in parport_proc_register()
499 	kfree(t);  in parport_proc_register()
506 		struct parport_sysctl_table *t = port->sysctl_table;  in parport_proc_unregister()  local
508 		unregister_sysctl_table(t->devices_header);  in parport_proc_unregister()
509 		unregister_sysctl_table(t->port_header);  in parport_proc_unregister()
510 		kfree(t);  in parport_proc_unregister()
518 	struct parport_device_sysctl_table *t;  in parport_device_proc_register()  local
523 	t = kmemdup(&parport_device_sysctl_template, sizeof(*t), GFP_KERNEL);  in parport_device_proc_register()
524 	if (t == NULL)  in parport_device_proc_register()
545 	t->vars[0].data = &device->timeslice;  in parport_device_proc_register()
547 	t->sysctl_header = register_sysctl(tmp_dir_path, t->vars);  in parport_device_proc_register()
548 	if (t->sysctl_header == NULL) {  in parport_device_proc_register()
549 		kfree(t);  in parport_device_proc_register()
550 		t = NULL;  in parport_device_proc_register()
552 	device->sysctl_table = t;  in parport_device_proc_register()
561 	kfree(t);  in parport_device_proc_register()
569 		struct parport_device_sysctl_table *t = device->sysctl_table;  in parport_device_proc_unregister()  local
571 		unregister_sysctl_table(t->sysctl_header);  in parport_device_proc_unregister()
572 		kfree(t);  in parport_device_proc_unregister()