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-rw-r--r--image/decoders/nsGIFDecoder2.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/image/decoders/nsGIFDecoder2.cpp b/image/decoders/nsGIFDecoder2.cpp
index 9b2de9124a..6dbe12c0af 100644
--- a/image/decoders/nsGIFDecoder2.cpp
+++ b/image/decoders/nsGIFDecoder2.cpp
@@ -1032,6 +1032,9 @@ LexerTransition<nsGIFDecoder2::State> nsGIFDecoder2::ReadLZWData(
break;
case WriteState::FAILURE:
+ if (mGIFStruct.images_decoded > 0) {
+ return Transition::TerminateSuccess();
+ }
return Transition::TerminateFailure();
}
}