diff options
Diffstat (limited to 'extmod/machine_signal.c')
| -rw-r--r-- | extmod/machine_signal.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/extmod/machine_signal.c b/extmod/machine_signal.c index f665ffaa49..49ee6dfb4a 100644 --- a/extmod/machine_signal.c +++ b/extmod/machine_signal.c @@ -51,7 +51,7 @@ STATIC mp_obj_t signal_make_new(const mp_obj_type_t *type, size_t n_args, size_t if (n_args > 0 && mp_obj_is_obj(args[0])) { mp_obj_base_t *pin_base = (mp_obj_base_t *)MP_OBJ_TO_PTR(args[0]); - pin_p = (mp_pin_p_t *)pin_base->type->protocol; + pin_p = (mp_pin_p_t *)MP_OBJ_TYPE_GET_SLOT_OR_NULL(pin_base->type, protocol); } if (pin_p == NULL) { |