On Fri, Mar 19, 2021 at 01:59:08PM -0700, Andrii Nakryiko wrote:
> 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>
Tested-by: Jiri Olsa <jolsa@xxxxxxxxxx>
thanks for the quick fix,
jirka
> ---
> 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
>
