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Add placeholder structure and place it at the beginning of each struct nft_*_elem for each existing set backend, instead of exposing elements as void type to the frontend which defeats compiler type checks. Use this pointer to this new type to replace void *. This patch updates the following set backend API to use this new struct nft_elem_priv placeholder structure: - update - deactivate - flush - get as well as the following helper functions: - nft_set_elem_ext() - nft_set_elem_init() - nft_set_elem_destroy() - nf_tables_set_elem_destroy() This patch adds nft_elem_priv_cast() to cast struct nft_elem_priv to native element representation from the corresponding set backend. BUILD_BUG_ON() makes sure this .priv placeholder is always at the top of the opaque set element representation. Suggested-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> |
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| kernel | ||
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| .clang-format | ||
| .cocciconfig | ||
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| README | ||
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.