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Volker Hilsheimer 30b0b72453 Test for nullptr before dereferencing the screen 
Touch event processing might still be ongoing even after the screen
has been disconnected. If that screen was also the primary screen, we
would dereference nullptr.

Check for nullptr to avoid potential crashes during shutdown.

Fixes: QTBUG-95192
Pick-to: 6.2 5.15
Change-Id: I49ccd30c4126fe12cf5bb675e532e6e59b40b9c1
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
2021-12-08 00:40:21 +01:00
.github/workflows Repair github action workflow 2021-11-10 18:57:33 +01:00
bin Provide a qtpaths wrapper script when cross-building Qt 2021-11-08 13:41:03 +01:00
cmake MSVC: Use dubbed FH4 to make C++ exception handling smaller 2021-12-04 14:15:16 +08:00
coin Exclude INTEGRITY artifacts from Archivation step on CI 2021-12-02 20:09:40 +02:00
config.tests wasm: add simd support 2021-10-05 11:30:06 +10:00
dist Add Qt 6.0.0 changes file 2020-11-16 10:02:08 +02:00
doc Drop Qt4 support 2021-12-07 01:56:17 +03:00
examples Rasterwindow: Remove unneeded find_package 2021-12-06 14:42:45 +01:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
libexec Fix various configure time warnings about missing QT_BEGIN_NAMESPACE 2021-11-01 17:17:29 +02:00
mkspecs android:qmake: Fix static libraries to include the QT_ARCH suffix 2021-12-02 20:29:58 +01:00
qmake Fix size_t / int conversion warnings in qmake 2021-12-02 15:16:49 +01:00
src Test for nullptr before dereferencing the screen 2021-12-08 00:40:21 +01:00
tests QVarLengthArray: add some basic checks for default-ctor 2021-12-07 22:53:14 +01:00
util Say hello to qtwasmserver 2021-12-06 16:36:09 +01:00
.cmake.conf Revert "CMake: Warn if cmake_minimum_required has an unsupported low version" 2021-10-04 15:55:10 +02:00
.gitattributes Give batch files CRLF line endings 2020-11-04 15:02:29 +00:00
.gitignore Assume qhelpgenerator in libexec instead of bin 2021-11-08 19:27:32 +01:00
.lgtm.yml Skip LGTM analysis for the bootstrap library and tools 2020-07-16 01:04:34 +02:00
.tag Update the git-archive export options 2012-09-07 15:39:31 +02:00
CMakeLists.txt Add _make_aab target 2021-11-30 20:16:13 +01:00
conanfile.py use short_path attribute 2021-12-07 14:19:38 +00:00
config_help.txt Document that schannel is on by default 2021-10-06 15:05:20 +02:00
configure Remove unsupported, host-related options from configure shell script 2021-08-05 02:44:27 +02:00
configure.bat Fix our usage of CMake script mode in Windows configure 2021-08-20 19:44:43 +02:00
configure.cmake wasm: add simd support 2021-10-05 11:30:06 +10:00
dependencies.yaml Re-add dependencies.yaml now that qt5.git wip/qt6 builds fine 2019-09-18 13:19:31 +02:00
LICENSE.FDL Remove trailing whitespace in LICENSE.FDL 2021-11-26 18:28:49 +01:00
LICENSE.GPL2 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3-EXCEPT Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.QT-LICENSE-AGREEMENT Update latest qt license agreement 2021-12-02 14:16:49 +00:00
qt_cmdline.cmake configure: Remove vestiges of handling QMAKE_* variable assignments 2021-11-24 10:47:10 +01:00
sync.profile Implement generating of a module cpp export header 2021-06-24 20:40:49 +02:00