80 	struct task_struct *kthread;  member
491 	if (!pt1->kthread) {  in pt1_start_polling()
492 		pt1->kthread = kthread_run(pt1_thread, pt1, "earth-pt1");  in pt1_start_polling()
493 		if (IS_ERR(pt1->kthread)) {  in pt1_start_polling()
494 			ret = PTR_ERR(pt1->kthread);  in pt1_start_polling()
495 			pt1->kthread = NULL;  in pt1_start_polling()
525 	if (count == 0 && pt1->kthread) {  in pt1_stop_polling()
526 		kthread_stop(pt1->kthread);  in pt1_stop_polling()
527 		pt1->kthread = NULL;  in pt1_stop_polling()
1066 	if (pt1->kthread)  in pt1_remove()
1067 		kthread_stop(pt1->kthread);  in pt1_remove()