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Jakub suggests: > I have a different request :) Matt, once this ends up in net-next > (end of this week) could you refactor it to use nlmsg_payload() ? > It doesn't exist in net but this is exactly why it was added. This refactors the additions to both mctp_dump_addrinfo(), and mctp_rtm_getneigh() - two cases where we're calling nlh_data() on an an incoming netlink message, without a prior nlmsg_parse(). For the neigh.c case, we cannot hit the failure where the nlh does not contain a full ndmsg at present, as the core handler (net/core/neighbour.c, neigh_get()) has already validated the size through neigh_valid_req_get(), and would have failed the get operation before the MCTP hander is called. However, relying on that is a bit fragile, so apply the nlmsg_payload refector here too. Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Link: https://patch.msgid.link/20250521-mctp-nlmsg-payload-v2-1-e85df160c405@codeconstruct.com.au Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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.