Skip BTF fixup step when input object file is missing BTF altogether.
Reported-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Fixes: 8fd27bf69b86 ("libbpf: Add BPF static linker BTF and BTF.ext support")
Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
---
tools/lib/bpf/linker.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/lib/bpf/linker.c b/tools/lib/bpf/linker.c
index b4fff912dce2..5e0aa2f2c0ca 100644
--- a/tools/lib/bpf/linker.c
+++ b/tools/lib/bpf/linker.c
@@ -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;
--
2.30.2
