linux-kernel - Re: [SOLVED] Serial buffer corruption [was Re: FTDI usb-serial possible bug]

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Message-ID: <463B4988.9090005@microgate.com>
Date:	Fri, 04 May 2007 08:56:08 -0600
From:	Paul Fulghum <paulkf@...rogate.com>
To:	Antonino Ingargiola <tritemio@...il.com>
CC:	linux-usb-users@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [SOLVED] Serial buffer corruption [was Re: FTDI usb-serial possible
 bug]

Paul Fulghum wrote:
> A new function to flush the tty flip buffer needs to
> be added and then called from tty_io.c:tty_ldisc_flush().

That is not enough.

It looks like tty_ioctl() needs to process ioctl(TCFLSH)
to clear the flip buffer before passing that ioctl
to the line discipline.

-- 
Paul Fulghum
Microgate Systems, Ltd.
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