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Bug 830214 - Avoid crashing when printing a document with many mozPrintCallback canvases. r=roc

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--HG--
extra : rebase_source : 98ae3180cb36f040241ae0b6850485923afe4570
This commit is contained in:
Cameron McCormack 2013-01-15 09:45:53 +11:00
parent 203f746f12
commit 03c19cb5bb
1 changed files with 4 additions and 0 deletions
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4
layout/generic/nsSimplePageSequence.cpp
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@ -633,6 +633,10 @@ nsSimplePageSequenceFrame::PrePrintNextPage(nsITimerCallback* aCallback, bool* a
size
);
if (!printSurface) {
continue;
}
nsICanvasRenderingContextInternal* ctx = canvas->GetContextAtIndex(0);
if (!ctx) {