lib/bpf/libbpf.c

6714 	struct btf_type *fn_t, *fn_proto_t, *t;
6718 	fn_t = btf_type_by_id(btf, orig_fn_id);
6719 	fn_proto_t = btf_type_by_id(btf, fn_t->type);
6730 	fn_name_off = fn_t->name_off; /* we are about to invalidate fn_t */
6731 	linkage = btf_func_linkage(fn_t);
6732 	orig_proto_id = fn_t->type; /* original FUNC_PROTO ID */
6766 	fn_t = btf_type_by_id(btf, fn_id);
6767 	fn_t->name_off = fn_name_off; /* reuse original string */
6783 	struct btf_type *fn_t, *fn_proto_t;
6834 		fn_t = btf_type_by_id(btf, orig_fn_id);
6835 		if (!btf_is_func(fn_t) || btf_func_linkage(fn_t) != BTF_FUNC_GLOBAL)
6839 		fn_proto_t = btf_type_by_id(btf, fn_t->type);
6863 		fn_name = btf__str_by_offset(btf, fn_t->name_off) ?: "<anon>";
6903 		fn_t = btf_type_by_id(btf, func_rec->type_id);
6904 		fn_proto_t = btf_type_by_id(btf, fn_t->type);