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728f064cd7
Similar to the earlier patch that changes sk_getsockopt() to take the sockptr_t argument. This patch also changes do_ip_getsockopt() to take the sockptr_t argument such that a latter patch can make bpf_getsockopt(SOL_IP) to reuse do_ip_getsockopt(). Note on the change in ip_mc_gsfget(). This function is to return an array of sockaddr_storage in optval. This function is shared between ip_get_mcast_msfilter() and compat_ip_get_mcast_msfilter(). However, the sockaddr_storage is stored at different offset of the optval because of the difference between group_filter and compat_group_filter. Thus, a new 'ss_offset' argument is added to ip_mc_gsfget(). Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://lore.kernel.org/r/20220902002828.2890585-1-kafai@fb.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.