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| author | Andrew Knight <andrew.knight@digia.com> | 2013-09-25 18:45:09 +0300 |
|---|---|---|
| committer | Robin Burchell <robin+qt@viroteck.net> | 2013-10-01 14:57:07 +0200 |
| commit | 184636c72b697b760b081175d8e581718540064a (patch) | |
| tree | 4a93dc1e55be474e728765b295b6a8fe9ab3f06d | |
| parent | 8d958a836a5aa53e3d6c5079c19f8283f4ecf9a7 (diff) | |
Avoid dereferencing a null pointer when QMimeData is 0
QClipboard's QPA implementation of clear() calls setMimeData(0, mode),
which means mimeData can be dereferenced when it is null. Prevent this
from happening.
Change-Id: Ib019926e1a7c002d365419db609028c258d364bc
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
| -rw-r--r-- | src/plugins/platforms/wayland_common/qwaylanddatasource.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland_common/qwaylanddatasource.cpp b/src/plugins/platforms/wayland_common/qwaylanddatasource.cpp index 7bf8b0c96..318b924b5 100644 --- a/src/plugins/platforms/wayland_common/qwaylanddatasource.cpp +++ b/src/plugins/platforms/wayland_common/qwaylanddatasource.cpp @@ -96,6 +96,10 @@ QWaylandDataSource::QWaylandDataSource(QWaylandDataDeviceManager *dndSelectionHa { m_data_source = wl_data_device_manager_create_data_source(dndSelectionHandler->handle()); wl_data_source_add_listener(m_data_source,&data_source_listener,this); + + if (!mimeData) + return; + QStringList formats = mimeData->formats(); for (int i = 0; i < formats.size(); i++) { const char *offer = qPrintable(formats.at(i)); |