79 	struct task_struct *kthread;  member
681 	if (!pt1->kthread) {  in pt1_start_polling()
682 		pt1->kthread = kthread_run(pt1_thread, pt1, "earth-pt1");  in pt1_start_polling()
683 		if (IS_ERR(pt1->kthread)) {  in pt1_start_polling()
684 			ret = PTR_ERR(pt1->kthread);  in pt1_start_polling()
685 			pt1->kthread = NULL;  in pt1_start_polling()
715 	if (count == 0 && pt1->kthread) {  in pt1_stop_polling()
716 		kthread_stop(pt1->kthread);  in pt1_stop_polling()
717 		pt1->kthread = NULL;  in pt1_stop_polling()
1316 	if (pt1->kthread)  in pt1_remove()
1317 		kthread_stop(pt1->kthread);  in pt1_remove()