netdev - Re: [PATCH net-next] ipv4: fix kfree static array pointer in ipv4_sysctl_exit

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Message-ID: <536C56A1.5080100@huawei.com>
Date:	Fri, 9 May 2014 12:16:33 +0800
From:	Wang Weidong <wangweidong1@...wei.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	David Miller <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] ipv4: fix kfree static array pointer in ipv4_sysctl_exit_net

On 2014/5/9 2:20, Eric Dumazet wrote:
>> No.
>> I just trigger the similar case on sctp when I do 'rmmod -f sctp'.
>> Here I add the init_net case for sctp register sysctl.
>>
>> Is it better to add BUG_ON(net == &init_net) maybe?
>>
> 
> The point is : SCTP _can_ be a module, but IPV4 is not.
> 
> You cannot rmmod ipv4
> 
> Its not because there is a bug in SCTP that you can apply the same
> recipe on another layer.
> 

Well, You are right. So ignore it.

Regards
Wang

> 


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