4814 	int prog_fd, link_fd, err;  in probe_perf_link()  local
4824 	link_fd = bpf_link_create(prog_fd, -1, BPF_PERF_EVENT, NULL);  in probe_perf_link()
4827 	if (link_fd >= 0)  in probe_perf_link()
4828 		close(link_fd);  in probe_perf_link()
4831 	return link_fd < 0 && err == -EBADF;  in probe_perf_link()
4844 	int prog_fd, link_fd, err;  in probe_uprobe_multi_link()  local
4857 	link_fd = bpf_link_create(prog_fd, -1, BPF_TRACE_UPROBE_MULTI, &link_opts);  in probe_uprobe_multi_link()
4860 	if (link_fd >= 0)  in probe_uprobe_multi_link()
4861 		close(link_fd);  in probe_uprobe_multi_link()
4864 	return link_fd < 0 && err == -EBADF;  in probe_uprobe_multi_link()
10107 	int prog_fd, link_fd = -1, err;  in bpf_program__attach_perf_event_opts()  local
10137 		link_fd = bpf_link_create(prog_fd, pfd, BPF_PERF_EVENT, &link_opts);  in bpf_program__attach_perf_event_opts()
10138 		if (link_fd < 0) {  in bpf_program__attach_perf_event_opts()
10145 		link->link.fd = link_fd;  in bpf_program__attach_perf_event_opts()
10173 	if (link_fd >= 0)  in bpf_program__attach_perf_event_opts()
10174 		close(link_fd);  in bpf_program__attach_perf_event_opts()
10835 	int err, link_fd, prog_fd;  in bpf_program__attach_kprobe_multi_opts()  local
10885 	link_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_KPROBE_MULTI, &lopts);  in bpf_program__attach_kprobe_multi_opts()
10886 	if (link_fd < 0) {  in bpf_program__attach_kprobe_multi_opts()
10892 	link->fd = link_fd;  in bpf_program__attach_kprobe_multi_opts()
11256 	int err = 0, link_fd, prog_fd;  in bpf_program__attach_uprobe_multi()  local
11343 	link_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_UPROBE_MULTI, &lopts);  in bpf_program__attach_uprobe_multi()
11344 	if (link_fd < 0) {  in bpf_program__attach_uprobe_multi()
11350 	link->fd = link_fd;  in bpf_program__attach_uprobe_multi()
11911 	int prog_fd, link_fd;  in bpf_program_attach_fd()  local
11925 	link_fd = bpf_link_create(prog_fd, target_fd, attach_type, opts);  in bpf_program_attach_fd()
11926 	if (link_fd < 0) {  in bpf_program_attach_fd()
11927 		link_fd = -errno;  in bpf_program_attach_fd()
11931 			libbpf_strerror_r(link_fd, errmsg, sizeof(errmsg)));  in bpf_program_attach_fd()
11932 		return libbpf_err_ptr(link_fd);  in bpf_program_attach_fd()
11934 	link->fd = link_fd;  in bpf_program_attach_fd()
12035 	int prog_fd, link_fd;  in bpf_program__attach_iter()  local
12055 	link_fd = bpf_link_create(prog_fd, target_fd, BPF_TRACE_ITER,  in bpf_program__attach_iter()
12057 	if (link_fd < 0) {  in bpf_program__attach_iter()
12058 		link_fd = -errno;  in bpf_program__attach_iter()
12061 			prog->name, libbpf_strerror_r(link_fd, errmsg, sizeof(errmsg)));  in bpf_program__attach_iter()
12062 		return libbpf_err_ptr(link_fd);  in bpf_program__attach_iter()
12064 	link->fd = link_fd;  in bpf_program__attach_iter()
12079 	int prog_fd, link_fd;  in bpf_program__attach_netfilter()  local
12101 	link_fd = bpf_link_create(prog_fd, 0, BPF_NETFILTER, &lopts);  in bpf_program__attach_netfilter()
12102 	if (link_fd < 0) {  in bpf_program__attach_netfilter()
12105 		link_fd = -errno;  in bpf_program__attach_netfilter()
12108 			prog->name, libbpf_strerror_r(link_fd, errmsg, sizeof(errmsg)));  in bpf_program__attach_netfilter()
12109 		return libbpf_err_ptr(link_fd);  in bpf_program__attach_netfilter()
12111 	link->fd = link_fd;  in bpf_program__attach_netfilter()