linux-kernel - Re: oops with USB serial irda adapter

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Date:	Thu, 21 Jun 2007 11:16:54 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: oops with USB serial irda adapter

On 06/20/2007 07:17 PM, Alan Cox wrote:
> On Wed, 20 Jun 2007 18:16:47 -0400
> Chuck Ebbert <cebbert@...hat.com> wrote:
> 
>> [https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=241598]
>>
>> Oops happens here in kernel 2.6.20.11:
>> drivers/usb/serial/ir-usb.c, line 557:
>>
>>                 /* Notify the tty driver that the termios have changed. */
>>                 port->tty->ldisc.set_termios(port->tty, NULL);
>>
>> (ldisc.set_termios is NULL)
> 
> Yeah the driver is full of bugs - its also broken for the way its
> set_termios tries to play 'guess it the properties have changed' and gets
> speed checks wrong, how it snoops the baud bits and some other stuff it
> does.
> 
> If you make it look like a real serial driver it ought to work fine. If
> you've got hardware I can send you test patches ?

I think I can get the bug reporter to test, so go ahead and send patches.
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