347 	int prog_fd, link_fd, err;  in probe_perf_link()  local
357 	link_fd = bpf_link_create(prog_fd, -1, BPF_PERF_EVENT, NULL);  in probe_perf_link()
360 	if (link_fd >= 0)  in probe_perf_link()
361 		close(link_fd);  in probe_perf_link()
364 	return link_fd < 0 && err == -EBADF;  in probe_perf_link()
379 	int prog_fd, link_fd, err;  in probe_uprobe_multi_link()  local
392 	link_fd = bpf_link_create(prog_fd, -1, BPF_TRACE_UPROBE_MULTI, &link_opts);  in probe_uprobe_multi_link()
395 	if (link_fd >= 0 || err != -EBADF) {  in probe_uprobe_multi_link()
396 		if (link_fd >= 0)  in probe_uprobe_multi_link()
397 			close(link_fd);  in probe_uprobe_multi_link()
422 	link_fd = bpf_link_create(prog_fd, -1, BPF_TRACE_UPROBE_MULTI, &link_opts);  in probe_uprobe_multi_link()
425 	if (link_fd >= 0)  in probe_uprobe_multi_link()
426 		close(link_fd);  in probe_uprobe_multi_link()
429 	return link_fd < 0 && err == -EINVAL;  in probe_uprobe_multi_link()