tree 093fa1d80b3f982a57306c6c3eb687ef99e59ebf
parent 8d4be669479d95a0c6eb4b6a538460f0ab35c4f7
author H Hartley Sweeten <hsweeten@visionengravers.com> 1357763393 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1358470439 -0800

staging: comedi: comedi_buf: clarify comedi_buf_write_free()

Use the helper comedi_buf_write_n_allocated() to clarify the check
to make sure the number of bytes to free is not more than the number
of bytes allocated.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>