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bpf, btf: Fix return value of register_btf_id_dtor_kfuncs 

The same as __register_btf_kfunc_id_set(), to let the modules with
stripped btf section loaded, this patch changes the return value of
register_btf_id_dtor_kfuncs() too from -ENOENT to 0 when btf is NULL.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/eab65586d7fb0e72f2707d3747c7d4a5d60c823f.1707373307.git.tanggeliang@kylinos.cn
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
This commit is contained in:
Geliang Tang 2024-02-08 14:24:21 +08:00 committed by Martin KaFai Lau
parent e55dad12ab
commit b9a395f0f7
1 changed files with 2 additions and 4 deletions
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6
kernel/bpf/btf.c
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@ -8219,10 +8219,8 @@ int register_btf_id_dtor_kfuncs(const struct btf_id_dtor_kfunc *dtors, u32 add_c
pr_err("missing vmlinux BTF, cannot register dtor kfuncs\n");
return -ENOENT;
}
if (owner && IS_ENABLED(CONFIG_DEBUG_INFO_BTF_MODULES)) {
pr_err("missing module BTF, cannot register dtor kfuncs\n");
return -ENOENT;
}
if (owner && IS_ENABLED(CONFIG_DEBUG_INFO_BTF_MODULES))
pr_warn("missing module BTF, cannot register dtor kfuncs\n");
return 0;
}
if (IS_ERR(btf))