free_end 316 drivers/staging/comedi/comedi_buf.c unsigned int free_end = async->buf_read_count + async->prealloc_bufsz; free_end 318 drivers/staging/comedi/comedi_buf.c return free_end - async->buf_write_alloc_count; free_end 324 drivers/staging/comedi/comedi_buf.c unsigned int free_end = async->buf_read_count + async->prealloc_bufsz; free_end 326 drivers/staging/comedi/comedi_buf.c return free_end - async->buf_write_count;