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Bug 1413082 - Check both STATUS_LOAD_COMPLETE and STATUS_ERROR before getting the image container in nsImageFrame. r=mattwoodrow

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MozReview-Commit-ID: H5pTpJVG33p
This commit is contained in:
Ethan Lin
2017-11-01 14:54:17 +08:00
parent 56ddaf0ed9
commit 56afa5574e
1 changed files with 2 additions and 1 deletions
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3
layout/generic/nsImageFrame.cpp
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@@ -1443,7 +1443,8 @@ nsImageFrame::DisplayAltFeedback(gfxContext& aRenderingContext,
uint32_t imageStatus = 0;
if (request)
request->GetImageStatus(&imageStatus);
if (imageStatus & imgIRequest::STATUS_LOAD_COMPLETE) {
if (imageStatus & imgIRequest::STATUS_LOAD_COMPLETE &&
!(imageStatus & imgIRequest::STATUS_ERROR)) {
nsCOMPtr<imgIContainer> imgCon;
request->GetImage(getter_AddRefs(imgCon));
MOZ_ASSERT(imgCon, "Load complete, but no image container?");