lib/bpf/libbpf.c

461 	__u32 attach_prog_fd;
3349 	if (prog->type == BPF_PROG_TYPE_TRACING && !prog->attach_prog_fd)
7343 	load_attr.attach_prog_fd = prog->attach_prog_fd;
9779 static int libbpf_find_prog_btf_id(const char *name, __u32 attach_prog_fd)
9787 	err = bpf_prog_get_info_by_fd(attach_prog_fd, &info, &info_len);
9790 			attach_prog_fd, err);
9856 	__u32 attach_prog_fd = prog->attach_prog_fd;
9860 	if (prog->type == BPF_PROG_TYPE_EXT || attach_prog_fd) {
9861 		if (!attach_prog_fd) {
9865 		err = libbpf_find_prog_btf_id(attach_name, attach_prog_fd);
9868 				 prog->name, attach_prog_fd, attach_name, err);
13339 				   int attach_prog_fd,
13344 	if (!prog || attach_prog_fd < 0)
13350 	if (attach_prog_fd && !attach_func_name) {
13351 		/* remember attach_prog_fd and let bpf_program__load() find
13354 		prog->attach_prog_fd = attach_prog_fd;
13358 	if (attach_prog_fd) {
13360 						 attach_prog_fd);
13380 	prog->attach_prog_fd = attach_prog_fd;