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[ Upstream commit64165ddf8e] Fix bpf_map_lookup_and_delete_elem_flags() to pass the return code through libbpf_err_errno() as we do similarly in bpf_map_lookup_and_delete_elem(). Fixes:f12b654327("libbpf: Streamline error reporting for low-level APIs") Signed-off-by: Mehrdad Arshad Rad <arshad.rad@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20211104171354.11072-1-arshad.rad@gmail.com Signed-off-by: Sasha Levin <sashal@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.