Re: [PATCH 5/27] Remove CONFIG_COMPAT code in xt_hashlimit, xt_limit

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On Jan 4 2008 15:37, Patrick McHardy wrote:
>> 
>>     [NETFILTER]: Remove CONFIG_COMPAT code in xt_hashlimit, xt_limit
>>     
>>     The kernel parts of the structures do not need to be fixed nor
>>     compat-converted; all other fields already use fixed types, so the
>>     compat code is not needed.
>
> Did you test this? It definitely seems necessary since pointers have
> different size and allignment requirements on 64 bit.

Hm you were right. I removed the compat from hashlimit and promptly got

	invalid size 64 != 52

but then again I wonder why xt_connlimit works without compat.

> In the hashlimit case we have a 4 byte hole before the hinfo pointer
> on 64 bit which is not present on 32 bit, limit uses an unsigned long
> which has different size and also has a hole before the master pointer
> on 64 bit.
>
Even if that hole was not there, it would be

	64 != 56

or so, no?
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