commit 69f9b401dfffdc377205f0fa77d0894a812ad9d6
Author: Timothy Nikkel <[email protected]>
Date: Wed Feb 26 21:48:47 2014 -0600
Bug 944353. If we've encountered an error while decoding an image and the
main thread has asked to do more decoding of that image before the main thread
has acknowledged the error then refuse to decode more. r=seth a=sledru
---
image/src/RasterImage.cpp | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/image/src/RasterImage.cpp b/image/src/RasterImage.cpp
index 8b066434..42d4232 100644
--- a/image/src/RasterImage.cpp
+++ b/image/src/RasterImage.cpp
@@ -3398,6 +3398,11 @@ RasterImage::DecodePool::DecodeSomeOfImage(RasterImage*
aImg,
if (aImg->mError)
return NS_OK;
+ // If there is an error worker pending (say because the main thread has
enqueued
+ // another decode request for us before processing the error worker) then
bail out.
+ if (aImg->mPendingError)
+ return NS_OK;
+
// If mDecoded or we don't have a decoder, we must have finished already (for
// example, a synchronous decode request came while the worker was pending).
if (!aImg->mDecoder || aImg->mDecoded)
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