Fixes for issues found by Oracle Parfait 13.3 static analyzer
- xfree86: avoid memory leak on
realloc
failure - Xi: avoid
NULL
pointer dereference ifGetXTestDevice
returnsNULL
- render: avoid
NULL
pointer dereference if PictureFindVisual returnsNULL
- dix: fix button offset when generating
DeviceButtonStateNotify
events - dix: limit checks to
MAX_VALUATORS
when generating Xi events - modesetting: avoid memory leak when
ms_present_check_unflip()
returnsFALSE