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fc1ca95585
Originally, the kernel strictly checked the size of the optval in getsockopt(TCP_ZEROCOPY_RECEIVE) to be equal to sizeof(struct tcp_zerocopy_receive). Withc8856c0514, this was changed to allow optvals of different sizes. The bpf code in the sockopt_sk test was still performing the strict size check. This fix adapts the kernel behavior fromc8856c0514in the selftest, i.e., just check if the required fields are there. Fixes:9cacf81f81("bpf: Remove extra lock_sock for TCP_ZEROCOPY_RECEIVE") Signed-off-by: Felix Maurer <fmaurer@redhat.com> Reviewed-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/r/6f569cca2e45473f9a724d54d03fdfb45f29e35f.1643129402.git.fmaurer@redhat.com Signed-off-by: Alexei Starovoitov <ast@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.