4709 	int prog_fd, link_fd, err;  in probe_perf_link()  local
4719 	link_fd = bpf_link_create(prog_fd, -1, BPF_PERF_EVENT, NULL);  in probe_perf_link()
4722 	if (link_fd >= 0)  in probe_perf_link()
4723 		close(link_fd);  in probe_perf_link()
4726 	return link_fd < 0 && err == -EBADF;  in probe_perf_link()
9696 	int prog_fd, link_fd = -1, err;  in bpf_program__attach_perf_event_opts()  local
9724 		link_fd = bpf_link_create(prog_fd, pfd, BPF_PERF_EVENT, &link_opts);  in bpf_program__attach_perf_event_opts()
9725 		if (link_fd < 0) {  in bpf_program__attach_perf_event_opts()
9732 		link->link.fd = link_fd;  in bpf_program__attach_perf_event_opts()
9760 	if (link_fd >= 0)  in bpf_program__attach_perf_event_opts()
9761 		close(link_fd);  in bpf_program__attach_perf_event_opts()
10244 	int err, link_fd, prog_fd;  in bpf_program__attach_kprobe_multi_opts()  local
10295 	link_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_KPROBE_MULTI, &lopts);  in bpf_program__attach_kprobe_multi_opts()
10296 	if (link_fd < 0) {  in bpf_program__attach_kprobe_multi_opts()
10302 	link->fd = link_fd;  in bpf_program__attach_kprobe_multi_opts()
11249 	int prog_fd, link_fd;  in bpf_program__attach_fd()  local
11263 	link_fd = bpf_link_create(prog_fd, target_fd, attach_type, &opts);  in bpf_program__attach_fd()
11264 	if (link_fd < 0) {  in bpf_program__attach_fd()
11265 		link_fd = -errno;  in bpf_program__attach_fd()
11269 			libbpf_strerror_r(link_fd, errmsg, sizeof(errmsg)));  in bpf_program__attach_fd()
11270 		return libbpf_err_ptr(link_fd);  in bpf_program__attach_fd()
11272 	link->fd = link_fd;  in bpf_program__attach_fd()
11333 	int prog_fd, link_fd;  in bpf_program__attach_iter()  local
11353 	link_fd = bpf_link_create(prog_fd, target_fd, BPF_TRACE_ITER,  in bpf_program__attach_iter()
11355 	if (link_fd < 0) {  in bpf_program__attach_iter()
11356 		link_fd = -errno;  in bpf_program__attach_iter()
11359 			prog->name, libbpf_strerror_r(link_fd, errmsg, sizeof(errmsg)));  in bpf_program__attach_iter()
11360 		return libbpf_err_ptr(link_fd);  in bpf_program__attach_iter()
11362 	link->fd = link_fd;  in bpf_program__attach_iter()