libbpf: cleanup after partial failure in bpf_object__pin

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bpftool will use bpf_object__pin in the next commits to pin all programs
and maps from the file; in case of a partial failure, we need to get
back to the clean state (undo previous program/map pins).

As part of a cleanup, I've added and exported separate routines to
pin all maps (bpf_object__pin_maps) and progs (bpf_object__pin_programs)
of an object.

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Stanislav Fomichev 2018-11-09 08:21:41 -08:00 • committed by Alexei Starovoitov

parent 108d50a976

commit 0c19a9fbc9

2 changed files with 319 additions and 23 deletions

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324

tools/lib/bpf/libbpf.c

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18

tools/lib/bpf/libbpf.h

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