342 	int prog_fd, link_fd, err;  in probe_perf_link()  local
352 	link_fd = bpf_link_create(prog_fd, -1, BPF_PERF_EVENT, NULL);  in probe_perf_link()
355 	if (link_fd >= 0)  in probe_perf_link()
356 		close(link_fd);  in probe_perf_link()
359 	return link_fd < 0 && err == -EBADF;  in probe_perf_link()
374 	int prog_fd, link_fd, err;  in probe_uprobe_multi_link()  local
387 	link_fd = bpf_link_create(prog_fd, -1, BPF_TRACE_UPROBE_MULTI, &link_opts);  in probe_uprobe_multi_link()
390 	if (link_fd >= 0 || err != -EBADF) {  in probe_uprobe_multi_link()
391 		if (link_fd >= 0)  in probe_uprobe_multi_link()
392 			close(link_fd);  in probe_uprobe_multi_link()
417 	link_fd = bpf_link_create(prog_fd, -1, BPF_TRACE_UPROBE_MULTI, &link_opts);  in probe_uprobe_multi_link()
420 	if (link_fd >= 0)  in probe_uprobe_multi_link()
421 		close(link_fd);  in probe_uprobe_multi_link()
424 	return link_fd < 0 && err == -EINVAL;  in probe_uprobe_multi_link()