1070 				if (f->queue_data == NULL) {  in usb_poll()
1107 				if (f->queue_data == NULL) {  in usb_poll()
1295 	if (f->queue_data == NULL) {  in usb_write()
1600 	void *queue_data;  in usb_fifo_alloc_buffer()  local
1606 	queue_data = usb_alloc_mbufs(  in usb_fifo_alloc_buffer()
1609 	if (queue_data == NULL && bufsize != 0 && nbuf != 0)  in usb_fifo_alloc_buffer()
1620 	f->queue_data = queue_data;  in usb_fifo_alloc_buffer()
1635 	void *queue_data;  in usb_fifo_free_buffer()  local
1640 	queue_data = f->queue_data;  in usb_fifo_free_buffer()
1641 	f->queue_data = NULL;  in usb_fifo_free_buffer()
1652 	bsd_free(queue_data, M_USBDEV);  in usb_fifo_free_buffer()