DVD Drive not responding after use (Mint 16 Mate)

Had this problem before but need to address it as it happened again to me today.

I successfully installed a Windows application under Wine a moment ago but since I removed the DVD and closed the drawer again, the drive won’t respond. I think, last time it happened, I re-booted and everything was fine. The drive is listed as mounted but when I right-click and choose “Eject” I get this error message:

Error ejecting /dev/sr0: Command-line `eject "/dev/sr0"' exited with non-zero exit status 1: eject: unable to eject, last error: Inappropriate ioctl for device

Any suggestions?

Reboot should clear it. Possible that the wine application did not release the drive correctly.