Yu Watanabe
dd7e148ed8
This merges prepare_restrict_fs_bpf() and bpf_restrict_fs_supported()
into bpf_restrict_fs_setup().
Previously, bpf_restrict_fs_supported() was only called in
manager_new() and bpf_restrict_fs_cleanup(). However, it is not
necessary to call it in bpf_restrict_fs_cleanup(), as if the feature is
not supporetd, manager->restrict_fs is always NULL. In manager_new()
the function was always called with bpf_restrict_fs_setup(). Hence,
it is not necessary to keep bpf_restrict_fs_supported() and
bpf_restrict_fs_setup() as separated functions.
This also drops unnecessary '#if HAVE_LIBBPF' condition in
manager_new(), as bpf_restrict_fs_setup() is well defined also when
libbpf support is disabled.
Follow-up for c99678eeda.
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