kbkeycode
int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc, int perm)
struct kbkeycode tmp;
if (copy_from_user(&tmp, user_kbkc, sizeof(struct kbkeycode)))
int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc,