stm32/modusocket: Handle case of NULL NIC in socket ioctl.
@@ -369,6 +369,13 @@ mp_uint_t socket_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *
}
return 0;
}
+ if (self->nic == MP_OBJ_NULL) {
+ if (request == MP_STREAM_POLL) {
+ return MP_STREAM_POLL_NVAL;
+ }
+ *errcode = MP_EINVAL;
+ return MP_STREAM_ERROR;
+ }
return self->nic_type->ioctl(self, request, arg, errcode);
}
