Re: [PATCH] netfilter: fix ->nfnl NULL oops

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On Wed, Nov 09, 2011 at 01:16:35AM +0300, Alexey Dobriyan wrote:
> Sorry for delay.
> 
> I recall myself writing that net->nfnl NULL check is racy or
> something like that (but I can't find this email in archives).
> 
> I've read the code once again, and I'm quite sure,
> NULL ->nfnl check is correct if RCU precautions are made.
> 
> Regarding ->report check, I think it's bogus.
> 
> If there are no listeners, there are NO listeners
> and whether to report back to userspace doesn't matter.
> 
> I'm sure I'm missing something obvious here.
> 
> Please, review.

Alexey. This is a workaround. We have to make ctnl_notifier
container-aware which is the real problem.
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