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Bug 1107353 - Wallpaper a null-pointer crash in AsyncScrollCallback for now. r=kip

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This commit is contained in:
Mats Palmgren 2014-12-04 21:26:26 +00:00
parent eb4902314a
commit bb3fbf1277
1 changed files with 6 additions and 2 deletions
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8
layout/generic/nsGfxScrollFrame.cpp
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@ -1965,10 +1965,14 @@ void
ScrollFrameHelper::AsyncScrollCallback(ScrollFrameHelper* aInstance,
mozilla::TimeStamp aTime)
{
NS_ASSERTION(aInstance != nullptr, "aInstance must not be null");
NS_ASSERTION(aInstance->mAsyncScroll,
MOZ_ASSERT(aInstance != nullptr, "aInstance must not be null");
MOZ_ASSERT(aInstance->mAsyncScroll,
"Did not expect AsyncScrollCallback without an active async scroll.");
if (!aInstance || !aInstance->mAsyncScroll) {
return; // XXX wallpaper bug 1107353 for now.
}
nsRect range = aInstance->mAsyncScroll->mRange;
if (aInstance->mAsyncScroll->mIsSmoothScroll) {
if (!aInstance->mAsyncScroll->IsFinished(aTime)) {