Commit 78b226d4 authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Alexei Starovoitov
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libbpf: Skip BTF fixup if object file has no BTF 



Skip BTF fixup step when input object file is missing BTF altogether.

Fixes: 8fd27bf6 ("libbpf: Add BPF static linker BTF and BTF.ext support")
Reported-by: default avatarJiri Olsa <jolsa@redhat.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Tested-by: default avatarJiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/bpf/20210319205909.1748642-3-andrii@kernel.org
parent 9ef05281

tools/lib/bpf/linker.c

+3 −0
Original line number Diff line number Diff line
@@ -1313,6 +1313,9 @@ static int linker_fixup_btf(struct src_obj *obj) 
	struct src_sec *sec;

	int i, j, n, m;



	if (!obj->btf)

		return 0;



	n = btf__get_nr_types(obj->btf);

	for (i = 1; i <= n; i++) {

		struct btf_var_secinfo *vi;