diff --git a/tools/bpf/bpftool/net.c b/tools/bpf/bpftool/net.c index 66a8ce8ae0127ad167e95f4e386b0946a95ac036..bd4e66d514f14f9887088c9ae21708d8cf66ce42 100644 --- a/tools/bpf/bpftool/net.c +++ b/tools/bpf/bpftool/net.c @@ -819,6 +819,9 @@ static void show_link_netfilter(void) nf_link_count++; } + if (!nf_link_info) + return; + qsort(nf_link_info, nf_link_count, sizeof(*nf_link_info), netfilter_link_compar); for (id = 0; id < nf_link_count; id++) {