libbpf: Adjust btf_vlen() to return a __u32

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Now that vlen is 24 bits, btf_vlen() must return a __u32.
Adjust use cases in libbpf accordingly.  Also add error
handling to avoid vlen overflow in btf_type_inc_vlen().

Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Acked-by: Mykyta Yatsenko <yatsenko@meta.com>
Link: https://lore.kernel.org/r/20260417143023.1551481-3-alan.maguire@oracle.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Alan Maguire 2026-04-17 15:30:19 +01:00 • committed by Alexei Starovoitov

parent f7a6b9eaff

commit cacd6729c0

4 changed files with 53 additions and 39 deletions

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50

tools/lib/bpf/btf.c

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2

tools/lib/bpf/btf.h

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24

tools/lib/bpf/btf_dump.c

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16

tools/lib/bpf/relo_core.c

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