- indio_dev->event_interface->group.attrs =
- kzalloc(sizeof(indio_dev->event_interface->group.attrs[0])
- *(attrcount + 1),
- GFP_KERNEL);
+ indio_dev->event_interface->group.attrs = kcalloc(attrcount + 1,
+ sizeof(indio_dev->event_interface->group.attrs[0]),
+ GFP_KERNEL);