On Tue, Jan 14, 2020 at 12:01:45PM +0100, Johan Hovold wrote: > Add a chars_in_buffer() implementation so that the tty layer will wait > for outgoing buffered data to be drained when needed (e.g. on final > close()). > > Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
