am a2a912a7: am cacf9084: am 534ab954: am 10441a6f: am f02c5c9e: am 4d8ed149: Prevent integer underflow if size is below 6

* commit 'a2a912a71e97b92edd7a73452587e0897026ec1e':
  Prevent integer underflow if size is below 6