D21278: [Touchpad KCM] Fix kded crashing at startup

[Atul Bisht]

atulbi created this revision.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
atulbi requested review of this revision.

REVISION SUMMARY
  When XcbAtom::atom() is called (by kded on key press other than Kded Keyboard shortcuts), m_connection seems to be having null or 0x0 value.
  Small check on m_connection solves the issue for me.

TEST PLAN
  kded5 do not crashed at startup.

REPOSITORY
  R119 Plasma Desktop

BRANCH
  Plasma/5.16

REVISION DETAIL
  https://phabricator.kde.org/D21278

AFFECTED FILES
  kcms/touchpad/src/backends/x11/xcbatom.cpp

To: atulbi
Cc: plasma-devel, jraleigh, GB_2, ragreen, Pitel, ZrenBot, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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