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Breno Leitao says: ==================== net: Introduce nlmsg_payload helper In the current codebase, there are multiple instances where the structure size is checked before assigning it to a Netlink message. This check is crucial for ensuring that the structure is correctly mapped onto the Netlink message, providing a layer of security. To streamline this process, Jakub Kicinski suggested creating a helper function, `nlmsg_payload`, which verifies if the structure fits within the message. If it does, the function returns the data; otherwise, it returns NULL. This approach simplifies the code and reduces redundancy. This patchset introduces the `nlmsg_payload` helper and updates several parts of the code to use it. Further updates will follow in subsequent patchsets. v1: https://lore.kernel.org/20250411-nlmsg-v1-0-ddd4e065cb15@debian.org ==================== Link: https://patch.msgid.link/20250414-nlmsg-v2-0-3d90cb42c6af@debian.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 reStructuredText 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.