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Hangbin Liu says: ==================== When a user reuse map fd after creating a map manually and set the pin_path, then load the object via libbpf. bpf_object__create_maps() will skip pinning map if map fd exist. Fix it by add moving bpf creation to else condition and go on checking map pin_path after that. v3: for selftest: use CHECK() for bpf_object__open_file() and close map fd on error v2: a) close map fd if init map slots failed b) add bpf selftest for this scenario ==================== 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.