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Backport dix fixes to 21.1-branch

Alan Coopersmith requested to merge alanc/xserver:21.1-warnings into server-21.1-branch

Includes fixes from !1251 (merged) by @whot and from !1673 (merged) by me.

Alan Coopersmith (11):

  • dix: check for calloc() failure in Xi event conversion routines
  • dix: PolyText: fully initialize local_closure
  • dix: SetFontPath: don't set errorValue on Success
  • dix: enterleave.c: fix implicit fallthrough warnings
  • dix: CreateScratchGC: avoid dereference of pointer we just set to NULL
  • dix: InitPredictableAccelerationScheme: avoid memory leak on failure
  • dix: dixChangeWindowProperty: don't call memcpy if malloc failed
  • dix: ProcListProperties: skip unneeded work if numProps is 0
  • dix: HashResourceID: use unsigned integers for bit shifting
  • dix: GetPairedDevice: check if GetMaster returned NULL
  • dix: FindBestPixel: fix implicit fallthrough warning

Peter Hutterer (1):

  • dix: fix valuator copy/paste error in the DeviceStateNotify event

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