function as GetWorker and SetWoker need this function to do ASSERT. 2) 0 should be returned if GetSize is not supported. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1696 6f19259b-4bc3-4df7-8a09-765794883524
function as GetWorker and SetWoker need this function to do ASSERT. 2) 0 should be returned if GetSize is not supported. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1696 6f19259b-4bc3-4df7-8a09-765794883524