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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/180141">180141</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2015-02-16 02:24:10 -0800 (Mon, 16 Feb 2015)</dd>
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<h3>Log Message</h3>
<pre>[GTK] Loading page into WebView shows g_closure_unref warning
https://bugs.webkit.org/show_bug.cgi?id=127474
Patch by Milan Crha <mcrha@redhat.com> on 2015-02-16
Reviewed by Carlos Garcia Campos.
* bindings/gobject/GObjectEventListener.cpp:
(WebCore::GObjectEventListener::gobjectDestroyed):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorebindingsgobjectGObjectEventListenercpp">trunk/Source/WebCore/bindings/gobject/GObjectEventListener.cpp</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (180140 => 180141)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2015-02-16 09:42:25 UTC (rev 180140)
+++ trunk/Source/WebCore/ChangeLog 2015-02-16 10:24:10 UTC (rev 180141)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2015-02-16 Milan Crha <mcrha@redhat.com>
+
+ [GTK] Loading page into WebView shows g_closure_unref warning
+ https://bugs.webkit.org/show_bug.cgi?id=127474
+
+ Reviewed by Carlos Garcia Campos.
+
+ * bindings/gobject/GObjectEventListener.cpp:
+ (WebCore::GObjectEventListener::gobjectDestroyed):
+
</ins><span class="cx"> 2015-02-13 Sergio Villar Senin <svillar@igalia.com>
</span><span class="cx">
</span><span class="cx"> [CSS Grid Layout] Remove the usage of Length(Undefined) in GridLength
</span></span></pre></div>
<a id="trunkSourceWebCorebindingsgobjectGObjectEventListenercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/bindings/gobject/GObjectEventListener.cpp (180140 => 180141)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/bindings/gobject/GObjectEventListener.cpp 2015-02-16 09:42:25 UTC (rev 180140)
+++ trunk/Source/WebCore/bindings/gobject/GObjectEventListener.cpp 2015-02-16 10:24:10 UTC (rev 180141)
</span><span class="lines">@@ -52,12 +52,13 @@
</span><span class="cx"> {
</span><span class="cx"> ASSERT(m_coreTarget);
</span><span class="cx">
</span><del>- // We must set m_coreTarget to null, because removeEventListener
- // may call the destructor as a side effect and we must be in the
- // proper state to prevent g_object_weak_unref.
- EventTarget* target = m_coreTarget;
</del><ins>+ // Protect 'this' class in case the 'm_coreTarget' holds the last reference,
+ // which may cause, inside removeEventListener(), free of this object
+ // and later use-after-free with the m_handler = 0; assignment.
+ RefPtr<GObjectEventListener> protect(this);
+
+ m_coreTarget->removeEventListener(m_domEventName.data(), this, m_capture);
</ins><span class="cx"> m_coreTarget = 0;
</span><del>- target->removeEventListener(m_domEventName.data(), this, m_capture);
</del><span class="cx"> m_handler = 0;
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre>
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