D18965: Guard KCompressionDevice::open being called with no backend available

[David Edmundson]

davidedmundson created this revision.
Herald added a project: Frameworks.
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davidedmundson requested review of this revision.

REVISION SUMMARY
  If KArchive is built without support for a compression type, such as
  bzip2, d->filter ends up as null.
  
  It is then used in the open call and will crash.
  
  Other calls can still crash, but they shouldn't be being called if open
  fails.
  
  BUG: 404240

REPOSITORY
  R243 KArchive

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D18965

AFFECTED FILES
  src/kcompressiondevice.cpp

To: davidedmundson
Cc: kde-frameworks-devel, michaelh, ngraham, bruns
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