1908 	sessions[id].x11_chanids = NULL;  in session_unused()
2031 		if (s->x11_chanids == NULL || !s->used)  in session_by_x11_channel()
2033 		for (j = 0; s->x11_chanids[j] != -1; j++) {  in session_by_x11_channel()
2034 			if (s->x11_chanids[j] == id) {  in session_by_x11_channel()
2434 	for (i = 0; s->x11_chanids[i] != -1; i++) {  in session_close_single_x11()
2436 		    "closing channel %d", s->self, s->x11_chanids[i]);  in session_close_single_x11()
2441 		if (s->x11_chanids[i] != id)  in session_close_single_x11()
2442 			session_close_x11(s->x11_chanids[i]);  in session_close_single_x11()
2444 	free(s->x11_chanids);  in session_close_single_x11()
2445 	s->x11_chanids = NULL;  in session_close_single_x11()
2517 	free(s->x11_chanids);  in session_close()
2579 	if (s->x11_chanids != NULL) {  in session_close_by_channel()
2580 		for (i = 0; s->x11_chanids[i] != -1; i++) {  in session_close_by_channel()
2581 			session_close_x11(s->x11_chanids[i]);  in session_close_by_channel()
2582 			s->x11_chanids[i] = -1;  in session_close_by_channel()
2674 	    &s->display_number, &s->x11_chanids) == -1) {  in session_setup_x11fwd()
2678 	for (i = 0; s->x11_chanids[i] != -1; i++) {  in session_setup_x11fwd()
2679 		channel_register_cleanup(s->x11_chanids[i],  in session_setup_x11fwd()