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List: webkit-changes
Subject: [webkit-changes] [58387] trunk/WebKit/win
From: sfalken () apple ! com
Date: 2010-04-28 7:33:13
Message-ID: 20100428073314.2A73F4811FDA () beta ! macosforge ! org
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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a \
href="http://trac.webkit.org/projects/webkit/changeset/58387">58387</a></dd> \
<dt>Author</dt> <dd>sfalken@apple.com</dd> <dt>Date</dt> <dd>2010-04-28 00:33:09 \
-0700 (Wed, 28 Apr 2010)</dd> </dl>
<h3>Log Message</h3>
<pre>WebView drawing code may access null backing store dirty region
https://bugs.webkit.org/show_bug.cgi?id=38245
<rdar://problem/7916101> REGRESSION (<a \
href="http://trac.webkit.org/projects/webkit/changeset/58067">r58067</a>): All loaded \
pages fail to display after running iBench HTML test (intermittent)
Reviewed by Maciej Stachowiak.
* WebView.cpp:
(WebView::updateBackingStore): Add null check for m_backingStoreDirtyRegion.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkWebKitwinChangeLog">trunk/WebKit/win/ChangeLog</a></li>
<li><a href="#trunkWebKitwinWebViewcpp">trunk/WebKit/win/WebView.cpp</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkWebKitwinChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/WebKit/win/ChangeLog (58386 => 58387)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebKit/win/ChangeLog 2010-04-28 07:30:16 UTC (rev 58386)
+++ trunk/WebKit/win/ChangeLog 2010-04-28 07:33:09 UTC (rev 58387)
</span><span class="lines">@@ -1,3 +1,14 @@
</span><ins>+2010-04-28 Steve Falkenburg <sfalken@apple.com>
+
+ Reviewed by Maciej Stachowiak.
+
+ WebView drawing code may access null backing store dirty region
+ https://bugs.webkit.org/show_bug.cgi?id=38245
+ <rdar://problem/7916101> REGRESSION (r58067): All loaded pages fail to \
display after running iBench HTML test (intermittent) +
+ * WebView.cpp:
+ (WebView::updateBackingStore): Add null check for m_backingStoreDirtyRegion.
+
</ins><span class="cx"> 2010-04-27 Jon Honeycutt <jhoneycutt@apple.com>
</span><span class="cx">
</span><span class="cx"> <rdar://problem/7911140> Hitting the \
"delete" key goes back twice </span></span></pre></div>
<a id="trunkWebKitwinWebViewcpp"></a>
<div class="modfile"><h4>Modified: trunk/WebKit/win/WebView.cpp (58386 => 58387)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebKit/win/WebView.cpp 2010-04-28 07:30:16 UTC (rev \
58386)
+++ trunk/WebKit/win/WebView.cpp 2010-04-28 07:33:09 UTC (rev 58387)
</span><span class="lines">@@ -904,7 +904,7 @@
</span><span class="cx"> view->layoutIfNeededRecursive();
</span><span class="cx">
</span><span class="cx"> Vector<IntRect> paintRects;
</span><del>- if (!backingStoreCompletelyDirty) {
</del><ins>+ if (!backingStoreCompletelyDirty && \
m_backingStoreDirtyRegion) { </ins><span class="cx"> RECT regionBox;
</span><span class="cx"> \
::GetRgnBox(m_backingStoreDirtyRegion->handle(), &regionBox); </span><span \
class="cx"> getUpdateRects(m_backingStoreDirtyRegion->handle(), \
regionBox, paintRects); </span></span></pre>
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