[PATCH v2 bpf-next 0/9] libbpf random fixes

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This patch set is a collection of unrelated fixes for libbpf.

Patch #1 fixes detection of corrupted BPF section w/ instructions.
Patch #2 fixes possible errno clobbering.
Patch #3 simplifies endianness check and brings it in line with few other
similar checks in libbpf.
Patch #4 adds check for failed map name retrieval from ELF symbol name.
Patch #5 fixes return error code to be negative.
Patch #6 fixes using valid fd (0) as a marker of missing associated BTF.
Patch #7 removes redundant logic in two places.
Patch #8 fixes typos in comments and debug output, and fixes formatting.
Patch #9 unwraps a bunch of multi-line statements and comments.

v1->v2:
  - patch #1 simplifications (Song);


Andrii Nakryiko (9):
  libbpf: fix detection of corrupted BPF instructions section
  libbpf: preserve errno before calling into user callback
  libbpf: simplify endianness check
  libbpf: check map name retrieved from ELF
  libbpf: fix error code returned on corrupted ELF
  libbpf: use negative fd to specify missing BTF
  libbpf: simplify two pieces of logic
  libbpf: typo and formatting fixes
  libbpf: reduce unnecessary line wrapping

 tools/lib/bpf/libbpf.c | 148 +++++++++++++++++------------------------
 1 file changed, 60 insertions(+), 88 deletions(-)

-- 
2.17.1




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