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ae68933422
iptable_x modules rely on 'struct net' to contain a pointer to the table that should be evaluated. In order to remove these pointers from struct net, pass them via the 'priv' pointer in a similar fashion as nf_tables passes the rule data. To do that, duplicate the nf_hook_info array passed in from the iptable_x modules, update the ops->priv pointers of the copy to refer to the table and then change the hookfn implementations to just pass the 'priv' argument to the traverser. After this patch, the xt_table pointers can already be removed from struct net. However, changes to struct net result in re-compile of the entire network stack, so do the removal after arptables and ip6tables have been converted as well. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.