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14d29ec530
Fuzzers and static checkers might not detect when mptcp_sk() is used with a non mptcp_sock structure. This is similar to the parent commit, where it is easy to use mptcp_sk() with a TCP sock, e.g. with a subflow sk. So a new simple check is done when CONFIG_DEBUG_NET is enabled to tell kernel devs when a non-MPTCP socket is being used as an MPTCP one. 'mptcp_sk()' macro is then defined differently: with an extra WARN to complain when an unexpected socket is being used. Reviewed-by: Mat Martineau <martineau@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://lore.kernel.org/r/20240223-upstream-net-next-20240223-misc-improvements-v1-4-b6c8a10396bd@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.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.