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[DOM Fetch] Improve stability of Fetch API.

master
Fedor 2020-10-30 21:47:50 +03:00
parent 1dd2bb19be
commit 7f64e41a8a
1 changed files with 9 additions and 4 deletions
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13
dom/fetch/FetchDriver.cpp
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@ -708,10 +708,12 @@ FetchDriver::OnDataAvailable(nsIRequest* aRequest,
// about races.
if (mObserver) {
// Need to keep mObserver alive.
RefPtr<FetchDriverObserver> observer = mObserver;
if (NS_IsMainThread()) {
mObserver->OnDataAvailable();
observer->OnDataAvailable();
} else {
RefPtr<Runnable> runnable = new DataAvailableRunnable(mObserver);
RefPtr<Runnable> runnable = new DataAvailableRunnable(observer);
nsresult rv = NS_DispatchToMainThread(runnable);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
@ -719,12 +721,15 @@ FetchDriver::OnDataAvailable(nsIRequest* aRequest,
}
}
uint32_t aRead;
// Explicitly initialized to 0 because in some cases nsStringInputStream may
// not write to aRead.
uint32_t aRead = 0;
MOZ_ASSERT(mResponse);
MOZ_ASSERT(mPipeOutputStream);
// From "Main Fetch" step 17: SRI-part2.
if (mResponse->Type() != ResponseType::Error &&
if (mResponse &&
mResponse->Type() != ResponseType::Error &&
!mRequest->GetIntegrity().IsEmpty()) {
MOZ_ASSERT(mSRIDataVerifier);