D25775: Check cursor_open return value

[David Edmundson]

davidedmundson created this revision.
Herald added projects: Frameworks, Baloo.
Herald added subscribers: Baloo, kde-frameworks-devel.
davidedmundson requested review of this revision.

REVISION SUMMARY
  This will only fail if something else has already gone wrong, but I was 
  hitting a crash in the baloo runner on the first cursor fetch.
  
  We may as well catch it and handle it gracefully with the right error message.

TEST PLAN
  Unit tests

REPOSITORY
  R293 Baloo

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D25775

AFFECTED FILES
  src/engine/postingdb.cpp

To: davidedmundson
Cc: kde-frameworks-devel, #baloo, hurikhan77, lots0logs, LeGast00n, fbampaloukas, GB_2, domson, ashaposhnikov, michaelh, astippich, spoorun, ngraham, bruns, abrahams
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