298 	const struct btf_type *func_proto;  member
3137 	const struct btf_type *func, *func_proto;  in add_kfunc_call()  local
3214 	func_proto = btf_type_by_id(desc_btf, func->type);  in add_kfunc_call()
3215 	if (!func_proto || !btf_type_is_func_proto(func_proto)) {  in add_kfunc_call()
3254 				     func_proto, func_name,  in add_kfunc_call()
8652 	btf_id = btf_check_iter_arg(meta->btf, meta->func_proto, regno - 1);  in process_iter_arg()
12885 	args = (const struct btf_param *)(meta->func_proto + 1);  in check_kfunc_args()
12886 	nargs = btf_type_vlen(meta->func_proto);  in check_kfunc_args()
13386 	const struct btf_type *func, *func_proto;  in fetch_kfunc_meta()  local
13406 	func_proto = btf_type_by_id(desc_btf, func->type);  in fetch_kfunc_meta()
13417 	meta->func_proto = func_proto;  in fetch_kfunc_meta()
13636 	t = btf_type_skip_modifiers(desc_btf, meta.func_proto->type, NULL);  in check_kfunc_call()
13901 	nargs = btf_type_vlen(meta.func_proto);  in check_kfunc_call()
13902 	args = (const struct btf_param *)(meta.func_proto + 1);  in check_kfunc_call()
17248 		cs->num_params = btf_type_vlen(meta.func_proto);  in get_call_summary()
17250 		cs->is_void = btf_type_is_void(btf_type_by_id(meta.btf, meta.func_proto->type));  in get_call_summary()
17691 	const struct btf_type *type, *func_proto;  in check_btf_func_early()  local
17770 		func_proto = btf_type_by_id(btf, type->type);  in check_btf_func_early()
17771 		if (unlikely(!func_proto || !btf_type_is_func_proto(func_proto)))  in check_btf_func_early()
17792 	const struct btf_type *type, *func_proto, *ret_type;  in check_btf_func()  local
17838 		func_proto = btf_type_by_id(btf, type->type);  in check_btf_func()
17840 		ret_type = btf_type_skip_modifiers(btf, func_proto->type, NULL);  in check_btf_func()
22909 	const struct btf_type *t, *func_proto;  in check_struct_ops_btf_id()  local
22958 	func_proto = btf_type_resolve_func_ptr(btf, member->type,  in check_struct_ops_btf_id()
22960 	if (!func_proto) {  in check_struct_ops_btf_id()
23009 	prog->aux->attach_func_proto = func_proto;  in check_struct_ops_btf_id()