* break to multiple lines * convert to function * format errno * use safe_ioctl * cleanup old-commit-hash: 1e62999e75b2ba85b7c443af0d8b3132e8e909d2
* break to multiple lines * convert to function * format errno * use safe_ioctl * cleanup old-commit-hash: 1e62999e75b2ba85b7c443af0d8b3132e8e909d2