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Validation of messages for get / del of a next hop is the same as will be validation of messages for get of a resilient next hop group bucket. The difference is that policy for resilient next hop group buckets is a superset of that used for next-hop get. It is therefore possible to reuse the code that validates the nhmsg fields, extracts the next-hop ID, and validates that. To that end, extract from nh_valid_get_del_req() a helper __nh_valid_get_del_req() that does just that. Make the nlh argument const so that the function can be called from the dump context, which only has a const nlh. Propagate the constness to nh_valid_get_del_req(). Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: David Ahern <dsahern@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.