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Guarding QTimer::singelShot operations, avoid to access dangling pointers

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This commit is contained in:
Klaus Basan
2018-04-14 23:16:55 +02:00
committed by Roland Winklmeier
parent b5ba4013dd
commit 1b8383bee1
10 changed files with 52 additions and 8 deletions
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7
src/blackgui/components/installxswiftbuscomponent.cpp
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@@ -218,7 +218,12 @@ namespace BlackGui
if (reply == QMessageBox::Yes)
{
const CStatusMessage msg = CStatusMessage(this).info("Using existing file '%1'") << saveAsFile;
QTimer::singleShot(100, this, [ = ] { this->downloadedXSwiftBusFile(msg); });
const QPointer<CInstallXSwiftBusComponent> guard(this);
QTimer::singleShot(100, this, [ = ]
{
if (guard.isNull()) { return; }
this->downloadedXSwiftBusFile(msg);
});
return;
}
}