linux-kernel - Re: option driver, ZTE MF_330 matches linux usb 2.0 root hub

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Message-ID: <4DDEC606.4020504@msgid.tls.msk.ru>
Date:	Fri, 27 May 2011 01:28:38 +0400
From:	Michael Tokarev <mjt@....msk.ru>
To:	Linux USB list <linux-usb@...r.kernel.org>
CC:	Linux-kernel <linux-kernel@...r.kernel.org>,
	Paweł Drobek 
	<pawel.drobek@...il.com>,
	Dominik Brodowski <linux@...inikbrodowski.net>
Subject: Re: option driver, ZTE MF_330 matches linux usb 2.0 root hub

27.05.2011 01:13, Michael Tokarev wrote:
> I noticed that recently, all my systems started
> loading option.ko driver even if I've no single
> GSM modem anywhere around.
> 
> After some investigation I found this in option.c:
> 
> /* ZTE PRODUCTS -- alternate vendor ID */
> #define ZTE_VENDOR_ID2                          0x1d6b
> #define ZTE_PRODUCT_MF_330                      0x0002
> ...
>         { USB_DEVICE(ZTE_VENDOR_ID2, ZTE_PRODUCT_MF_330) },
> 
> 
> But this matches... "Linux Foundation 2.0 root hub",
> which has this module alias:
> 
>   usb:v1D6Bp0002d0206dc09dsc00dp00ic09isc00ip00

Forgot to mention, and to add proper Cc.  The commit
is this one:

 commit a559d2c8c1bf652ea2d0ecd6ab4a250fcdb37db8
 Author: Dominik Brodowski <linux@...inikbrodowski.net>
 Date:   Wed Apr 14 21:36:42 2010 +0200

    USB: option: add ID for ZTE MF 330

    Based on the information provided for by Paweł Drobek, add
    a second vendor ID and the correct product ID for ZTE MF 330.

    Reported-by: Paweł Drobek <pawel.drobek@...il.com>
    Signed-off: Dominik Brodowski <linux@...inikbrodowski.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

Are the IDs really correct?  Maybe it's just a typo
after all...

It is interesting that no one noticed this so far.
Or it's just because it's difficult to search for -
"option" is really a bad search term ;)

> What are options to fix this option now? :)
> 
> Thanks!
> 
> [Cc'ing linux-kernel due to interesting USB ID clash]

/mjt
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