31a769d449
- sync kde/5.15 branch fixes - pull in candidate fix QTBUG-83890 Resolves: bz#1988934
46 lines
1.9 KiB
Diff
46 lines
1.9 KiB
Diff
From be3a57263b7e9e03e01fa9dfe637f03ba557950b Mon Sep 17 00:00:00 2001
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From: Maximilian Goldstein <max.goldstein@qt.io>
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Date: Thu, 29 Oct 2020 16:25:23 +0100
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Subject: [PATCH 03/28] Revert "qquickloader: Free memory of loaded components
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after source change"
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This reverts commit c5085eb8905f1a3c070f866746110980e84be271.
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It can cause crashes and only fixes an edge case that can't
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be encountered during normal usage.
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Change-Id: Ia265f0d6716b59a0f483e5a114b3f3b1a76fe898
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Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
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(cherry picked from commit 0fa6091b1076bc3cc58303ff00d43efdad32b8ad)
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Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
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---
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src/quick/items/qquickloader.cpp | 13 -------------
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1 file changed, 13 deletions(-)
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diff --git a/src/quick/items/qquickloader.cpp b/src/quick/items/qquickloader.cpp
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index 9a8eca871c..8cd63a4236 100644
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--- a/src/quick/items/qquickloader.cpp
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+++ b/src/quick/items/qquickloader.cpp
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@@ -412,19 +412,6 @@ void QQuickLoader::setSource(const QUrl &url)
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void QQuickLoader::setSource(const QUrl &url, bool needsClear)
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{
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Q_D(QQuickLoader);
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-
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- // The source has been changed at this point, and we assume that (after
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- // notifying potential listeners with sourceChanged) that it is now
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- // safe to actually delete the old component. We have to do this here
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- // in case the component referenced expensive resources (like uncached
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- // images), as it might take too long until we return to the event loop.
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- // We need to explicitly pass QEvent::DeferredDelete to sendPostedEvents,
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- // else the allowDeferredDelete check in qcoreapplication.cpp will not
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- // allow the event to pass. This will not affect anything deleted by this
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- // call, only the previous one. This has to be done as otherwise there
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- // might be signal handlers that are still in progress.
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- QCoreApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);
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-
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if (d->source == url)
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return;
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--
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2.31.1
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