diff mbox series

[bpf-next,2/3] libbpf: skip BTF fixup if object file has no BTF

Message ID 20210319205909.1748642-3-andrii@kernel.org
State New
Headers show
Series Handle no-BTF object files better | expand

Commit Message

Andrii Nakryiko March 19, 2021, 8:59 p.m. UTC 
Skip BTF fixup step when input object file is missing BTF altogether.

Reported-by: Jiri Olsa <jolsa@redhat.com>
Fixes: 8fd27bf69b86 ("libbpf: Add BPF static linker BTF and BTF.ext support")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
 tools/lib/bpf/linker.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

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;