47 static struct tracerouter_data *tr_data;  variable
66 	if (tr_data->opencalled == 0) {  in n_tracerouter_open()
68 		tr_data->kref_tty = tty_kref_get(tty);  in n_tracerouter_open()
69 		if (tr_data->kref_tty == NULL) {  in n_tracerouter_open()
72 			tr_data->opencalled = 1;  in n_tracerouter_open()
73 			tty->disc_data      = tr_data;  in n_tracerouter_open()
94 	WARN_ON(tptr->kref_tty != tr_data->kref_tty);  in n_tracerouter_close()
96 	tty_kref_put(tr_data->kref_tty);  in n_tracerouter_close()
97 	tr_data->kref_tty = NULL;  in n_tracerouter_close()
98 	tr_data->opencalled = 0;  in n_tracerouter_close()
200 	tr_data = kzalloc(sizeof(struct tracerouter_data), GFP_KERNEL);  in n_tracerouter_init()
201 	if (tr_data == NULL)  in n_tracerouter_init()
209 		kfree(tr_data);  in n_tracerouter_init()
226 		kfree(tr_data);  in n_tracerouter_exit()