88 	struct task_struct *kthread;  member
657 	if (!pt1->kthread) {  in pt1_start_polling()
658 		pt1->kthread = kthread_run(pt1_thread, pt1, "earth-pt1");  in pt1_start_polling()
659 		if (IS_ERR(pt1->kthread)) {  in pt1_start_polling()
660 			ret = PTR_ERR(pt1->kthread);  in pt1_start_polling()
661 			pt1->kthread = NULL;  in pt1_start_polling()
691 	if (count == 0 && pt1->kthread) {  in pt1_stop_polling()
692 		kthread_stop(pt1->kthread);  in pt1_stop_polling()
693 		pt1->kthread = NULL;  in pt1_stop_polling()
1287 	if (pt1->kthread)  in pt1_remove()
1288 		kthread_stop(pt1->kthread);  in pt1_remove()