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Bug 1164977 - Prevent MediaStreamAudioSourceNode from passing null to nsIPrincipal::subsumes. r=padenot

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This commit is contained in:
Bobby Holley 2015-05-14 15:38:55 -07:00
parent 9b0ee77669
commit d01547fedb
1 changed files with 1 additions and 1 deletions
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2
dom/media/webaudio/MediaStreamAudioSourceNode.cpp
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@ -80,7 +80,7 @@ MediaStreamAudioSourceNode::PrincipalChanged(DOMMediaStream* aDOMMediaStream)
if (doc) {
nsIPrincipal* docPrincipal = doc->NodePrincipal();
nsIPrincipal* streamPrincipal = mInputStream->GetPrincipal();
if (NS_FAILED(docPrincipal->Subsumes(streamPrincipal, &subsumes))) {
if (!streamPrincipal || NS_FAILED(docPrincipal->Subsumes(streamPrincipal, &subsumes))) {
subsumes = false;
}
}