netdev - Re: [PATCH] [NET] [ISDN]: Do not validate ISDN net device address prior to interface-up

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Date:	Mon, 14 Apr 2008 07:57:31 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Jarek Poplawski <jarkao2@...il.com>
CC:	David Miller <davem@...emloft.net>, pebolle@...cali.nl,
	netdev@...r.kernel.org, isdn4linux@...tserv.isdn4linux.de,
	jgarzik@...hat.com
Subject: Re: [PATCH] [NET] [ISDN]: Do not validate ISDN net device address
 prior to interface-up

Jarek Poplawski wrote:
> On 14-04-2008 07:44, David Miller wrote:
>   
>> From: Paul Bolle <pebolle@...cali.nl>
>> Date: Thu, 10 Apr 2008 17:00:17 +0200
>>
>>     
>>> From: Paul Bolle <pebolle@...cali.nl>
>>>    
>>> Commit bada339 (Validate device addr prior to interface-up) caused a regression
>>> in the ISDN network code, see: http://bugzilla.kernel.org/show_bug.cgi?id=9923
>>> The trivial fix is to remove the pointer to eth_validate_addr() in the
>>> net_device struct in isdn_net_init().
>>>     
>>> Signed-off-by: Paul Bolle <pebolle@...cali.nl>
>>>       
>> Applied, thanks a lot Paul.
>>     
>
> Maybe I missed Patrick point, but it seems this patch isn't good:
> it omits address validation hiding possible problems.
The ISDN device's address is computed from the IP addresses
in ->open(), so there is nothing to validate at the time
eth_validate_addr() is called.


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