D27736: Fix for not try to check error or try to disconnect if there isn't m_deviceToTearDown exist

[Ömer Fadıl Usta]

usta created this revision.
usta added a reviewer: Dolphin.
Herald added a project: Dolphin.
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REVISION SUMMARY
  Currently, when you try to Eject a CD/DVD from the system it gives an error like :
  QObject::disconnect: Unexpected nullptr parameter
  because m_deviceToTearDown is already nullptr before reaching that disconnect

REPOSITORY
  R318 Dolphin

REVISION DETAIL
  https://phabricator.kde.org/D27736

AFFECTED FILES
  src/panels/places/placesitemmodel.cpp

To: usta, #dolphin
Cc: kfm-devel, pberestov, iasensio, fprice, MrPepe, fbampaloukas, alexde, Codezela, feverfew, meven, spoorun, navarromorales, firef, ngraham, andrebarros, emmanuelp, mikesomov
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