Re: [Bugme-new] [Bug 8564] New: ftdi_sio: BUG: unable to handle kernel NULL pointer dereference at virtual address

Oliver, can you tell me what I might do to get it working again for
now?  I can't use usb-uirt without it.


On 6/2/07, Oliver Neukum <[email protected]> wrote:
> Am Freitag, 1. Juni 2007 21:40 schrieb Andrew Morton:
> > It looks like the `serial' argument to ftdi_HE_TIRA1_setup() is NULL, and
> > we went oops reading serial->port[0]).
> >
>         priv = usb_get_serial_port_data(serial->port[0]);
>         priv->flags |= ASYNC_SPD_CUST;
>
> It bombs in priv->flags, as usb_get_serial_port_data() is used in a quirk
> handler for the whole device before the ports are registered with the driver
> core which would call ftdi_sio_port_probe() which calls
> usb_set_serial_port_data()
>
>         Regards
>                 Oliver
>

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