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libbpf: Fix return zero when elf_begin failed

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The error number of elf_begin is omitted when encapsulating the
btf_find_elf_sections function.

Fixes: c86f180ffc99 ("libbpf: Make btf_parse_elf process .BTF.base transparently")
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250115100241.4171581-2-pulehui@huaweicloud.com
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Pu Lehui 2025-01-15 10:02:39 +00:00 committed by Andrii Nakryiko
parent 4a04cb326a
commit 5436a54332
1 changed files with 1 additions and 0 deletions
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tools/lib/bpf/btf.c
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@ -1186,6 +1186,7 @@ static struct btf *btf_parse_elf(const char *path, struct btf *base_btf,
elf = elf_begin(fd, ELF_C_READ, NULL);
if (!elf) {
err = -LIBBPF_ERRNO__FORMAT;
pr_warn("failed to open %s as ELF file\n", path);
goto done;
}