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bpftool: replace return value PTR_ERR(NULL) with 0
There is no reasons to keep PTR_ERR() when kern_btf=NULL, let's just return 0. This also cleans this part of code from using libbpf_get_error(). Signed-off-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@industrialdiscipline.com> Acked-by: Yonghong Song <yhs@fb.com> Suggested-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/r/20221120112515.38165-3-sahid.ferdjaoui@industrialdiscipline.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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1 changed files with 2 additions and 4 deletions
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@ -63,10 +63,8 @@ static __s32 get_map_info_type_id(void)
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return map_info_type_id;
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kern_btf = get_btf_vmlinux();
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if (libbpf_get_error(kern_btf)) {
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map_info_type_id = PTR_ERR(kern_btf);
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return map_info_type_id;
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}
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if (!kern_btf)
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return 0;
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map_info_type_id = btf__find_by_name_kind(kern_btf, "bpf_map_info",
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BTF_KIND_STRUCT);
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