bpf: Compile out btf_parse_module() if module BTF is not enabled
Make sure btf_parse_module() is compiled out if module BTFs are not enabled.
Fixes: 36e68442d1
("bpf: Load and verify kernel module BTFs")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20201111040645.903494-1-andrii@kernel.org
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@ -4478,6 +4478,8 @@ errout:
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return ERR_PTR(err);
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}
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#ifdef CONFIG_DEBUG_INFO_BTF_MODULES
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static struct btf *btf_parse_module(const char *module_name, const void *data, unsigned int data_size)
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{
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struct btf_verifier_env *env = NULL;
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@ -4547,6 +4549,8 @@ errout:
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return ERR_PTR(err);
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}
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#endif /* CONFIG_DEBUG_INFO_BTF_MODULES */
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struct btf *bpf_prog_get_target_btf(const struct bpf_prog *prog)
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{
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struct bpf_prog *tgt_prog = prog->aux->dst_prog;
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