- copy_to_user(dirent, &d, NAME_OFFSET(&d));
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
+ err = copy_to_user(dirent, &d, NAME_OFFSET(&d));
+ BUG_ON(err);
+ err = copy_to_user(dirent->d_name, name, namlen);
+ BUG_ON(err);
+ err = put_user(0, dirent->d_name + namlen);
+ BUG_ON(err);