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

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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