diff options
| author | Dyami Caliri <dyami@dragonframe.com> | 2014-09-25 10:37:34 -0700 |
|---|---|---|
| committer | Friedemann Kleint <Friedemann.Kleint@digia.com> | 2014-09-30 16:17:10 +0200 |
| commit | 138e14d7bb749c08c751ca107393ce8b29c692d9 (patch) | |
| tree | 33154883a314e089250a3f0af0c320a7057944e7 | |
| parent | 27bc4c4ce5f1af8fd06b60c5d06e011001ea3613 (diff) | |
Accessibility: Fix crash with invalid QAccessibleInterface
Windows accessibility can crash if it handles an event with an invalid
QAccessibleInterface pointer (one whose object has been deleted).
Task-number: QTBUG-41597
Change-Id: Iba099f7cb732fd00f18f04bd951c6cdd94785871
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Jan Arve Sæther <jan-arve.saether@digia.com>
| -rw-r--r-- | src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp b/src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp index 307f2fc3bb..139e1dbecd 100644 --- a/src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp +++ b/src/plugins/platforms/windows/accessible/qwindowsaccessibility.cpp @@ -159,7 +159,7 @@ void QWindowsAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event) // An event has to be associated with a window, // so find the first parent that is a widget and that has a WId QAccessibleInterface *iface = event->accessibleInterface(); - if (!iface) // ### This should not happen, maybe make it an assert. + if (!iface || !iface->isValid()) return; QWindow *window = QWindowsAccessibility::windowHelper(iface); |