- if (t < 0 || t >= dev->keycodemax || !dev->keycodesize)
- return -EINVAL;
- if (get_user(v, ip + 1))
- return -EFAULT;
- if (v < 0 || v > KEY_MAX)
- return -EINVAL;
- if (dev->keycodesize < sizeof(v) && (v >> (dev->keycodesize * 8)))
- return -EINVAL;
-
- u = SET_INPUT_KEYCODE(dev, t, v);
- clear_bit(u, dev->keybit);
- set_bit(v, dev->keybit);
- for (i = 0; i < dev->keycodemax; i++)
- if (INPUT_KEYCODE(dev, i) == u)
- set_bit(u, dev->keybit);