[Differential] [Request, 7 lines] D1534: make the serializer a bit more robust

[sebas (Sebastian Kügler)]

sebas created this revision.
sebas added a reviewer: Plasma.
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REVISION SUMMARY
  The daemon has some valid code pathes involving null configs. I've not
  seen this particular part crashing, but it seems prudent to be a bit
  more careful with the pointers we receive.
  
  Also, debug message when writing fails, this seems to be a common
  problem, and we should be able to debug this better when it happens.

TEST PLAN
  autotests still pass

REPOSITORY
  rKSCREEN KScreen

BRANCH
  sebas/fortifyserializer

REVISION DETAIL
  https://phabricator.kde.org/D1534

AFFECTED FILES
  kded/serializer.cpp

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: sebas, Plasma
Cc: plasma-devel, sebas
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