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libbpf: Return -ENODATA for missing btf section

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As discussed before, return -ENODATA (No data available) would be more
meaningful than ENOENT (No such file or directory).

Suggested-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221231151436.6541-1-changbin.du@gmail.com
This commit is contained in:
Changbin Du
2022-12-31 23:14:36 +08:00
committed by Andrii Nakryiko
parent f758104b07
commit d572b6359e
1 changed files with 1 additions and 1 deletions
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src/btf.c
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@@ -1004,7 +1004,7 @@ static struct btf *btf_parse_elf(const char *path, struct btf *base_btf,
if (!btf_data) { if (!btf_data) {
pr_warn("failed to find '%s' ELF section in %s\n", BTF_ELF_SEC, path); pr_warn("failed to find '%s' ELF section in %s\n", BTF_ELF_SEC, path);
err = -ENOENT; err = -ENODATA;
goto done; goto done;
} }
btf = btf_new(btf_data->d_buf, btf_data->d_size, base_btf); btf = btf_new(btf_data->d_buf, btf_data->d_size, base_btf);