bpf_link_inc_not_zero
struct bpf_link *bpf_link_inc_not_zero(struct bpf_link *link);
EXPORT_SYMBOL(bpf_link_inc_not_zero);
link = bpf_link_inc_not_zero(link);
link = bpf_link_inc_not_zero(link);
if (shim_link && !IS_ERR(bpf_link_inc_not_zero(&shim_link->link.link))) {