On Thu, Apr 23, 2020 at 01:03:47PM +0200, Jan Kara wrote: > There's no error handling in the caller and this function actually returns > unsigned int... So I believe you need to return 0 here to maintain previous > behavior (however suspicious it may be)? Indeed, and I don't think it is suspicious at all - if we have no CDROM info we should assume session 0, which is the same as for non-CDROM devices. Fixed for the next version.