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<title>[175333] trunk/Source/WebCore</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/175333">175333</a></dd>
<dt>Author</dt> <dd>jer.noble@apple.com</dd>
<dt>Date</dt> <dd>2014-10-29 10:53:26 -0700 (Wed, 29 Oct 2014)</dd>
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<h3>Log Message</h3>
<pre>[EME] NULL-dereference crash in MediaKeys::setMediaElement().
https://bugs.webkit.org/show_bug.cgi?id=138177
Reviewed by Eric Carlson.
NULL-check m_mediaElement->player() before using. It may have been cleared if the HTMLMediaElement
has previously had stop() called.
* Modules/encryptedmedia/MediaKeys.cpp:
(WebCore::MediaKeys::setMediaElement):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesencryptedmediaMediaKeyscpp">trunk/Source/WebCore/Modules/encryptedmedia/MediaKeys.cpp</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (175332 => 175333)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2014-10-29 17:53:24 UTC (rev 175332)
+++ trunk/Source/WebCore/ChangeLog 2014-10-29 17:53:26 UTC (rev 175333)
</span><span class="lines">@@ -1,5 +1,18 @@
</span><span class="cx"> 2014-10-29 Jer Noble <jer.noble@apple.com>
</span><span class="cx">
</span><ins>+ [EME] NULL-dereference crash in MediaKeys::setMediaElement().
+ https://bugs.webkit.org/show_bug.cgi?id=138177
+
+ Reviewed by Eric Carlson.
+
+ NULL-check m_mediaElement->player() before using. It may have been cleared if the HTMLMediaElement
+ has previously had stop() called.
+
+ * Modules/encryptedmedia/MediaKeys.cpp:
+ (WebCore::MediaKeys::setMediaElement):
+
+2014-10-29 Jer Noble <jer.noble@apple.com>
+
</ins><span class="cx"> [EME] MediaKeySession resources persist across page reloads
</span><span class="cx"> https://bugs.webkit.org/show_bug.cgi?id=138176
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesencryptedmediaMediaKeyscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/encryptedmedia/MediaKeys.cpp (175332 => 175333)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/encryptedmedia/MediaKeys.cpp 2014-10-29 17:53:24 UTC (rev 175332)
+++ trunk/Source/WebCore/Modules/encryptedmedia/MediaKeys.cpp 2014-10-29 17:53:26 UTC (rev 175333)
</span><span class="lines">@@ -144,12 +144,12 @@
</span><span class="cx">
</span><span class="cx"> void MediaKeys::setMediaElement(HTMLMediaElement* element)
</span><span class="cx"> {
</span><del>- if (m_mediaElement)
</del><ins>+ if (m_mediaElement && m_mediaElement->player())
</ins><span class="cx"> m_mediaElement->player()->setCDMSession(nullptr);
</span><span class="cx">
</span><span class="cx"> m_mediaElement = element;
</span><span class="cx">
</span><del>- if (m_mediaElement && !m_sessions.isEmpty())
</del><ins>+ if (m_mediaElement && m_mediaElement->player() && !m_sessions.isEmpty())
</ins><span class="cx"> m_mediaElement->player()->setCDMSession(m_sessions.last()->session());
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre>
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