1853 	sessions[id].x11_chanids = NULL;  in session_unused()
1976 		if (s->x11_chanids == NULL || !s->used)  in session_by_x11_channel()
1978 		for (j = 0; s->x11_chanids[j] != -1; j++) {  in session_by_x11_channel()
1979 			if (s->x11_chanids[j] == id) {  in session_by_x11_channel()
2380 	for (i = 0; s->x11_chanids[i] != -1; i++) {  in session_close_single_x11()
2382 		    "closing channel %d", s->self, s->x11_chanids[i]);  in session_close_single_x11()
2387 		if (s->x11_chanids[i] != id)  in session_close_single_x11()
2388 			session_close_x11(s->x11_chanids[i]);  in session_close_single_x11()
2390 	xfree(s->x11_chanids);  in session_close_single_x11()
2391 	s->x11_chanids = NULL;  in session_close_single_x11()
2473 	if (s->x11_chanids)  in session_close()
2474 		xfree(s->x11_chanids);  in session_close()
2538 	if (s->x11_chanids != NULL) {  in session_close_by_channel()
2539 		for (i = 0; s->x11_chanids[i] != -1; i++) {  in session_close_by_channel()
2540 			session_close_x11(s->x11_chanids[i]);  in session_close_by_channel()
2541 			s->x11_chanids[i] = -1;  in session_close_by_channel()
2633 	    &s->display_number, &s->x11_chanids) == -1) {  in session_setup_x11fwd()
2637 	for (i = 0; s->x11_chanids[i] != -1; i++) {  in session_setup_x11fwd()
2638 		channel_register_cleanup(s->x11_chanids[i],  in session_setup_x11fwd()