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| author | Pale Moon <git-repo@palemoon.org> | 2018-06-10 01:53:05 +0200 |
|---|---|---|
| committer | Pale Moon <git-repo@palemoon.org> | 2018-06-10 01:53:05 +0200 |
| commit | dea50cbf6aca6d22f6c56d1acc616a5f0e087b53 (patch) | |
| tree | 68a7855d6774aa214550a9c8ae9d70607ce4c1c8 /dom | |
| parent | 4463c7031398d263969ee3d12fb93d28ba59fcc6 (diff) | |
| download | palemoon-gre-dea50cbf6aca6d22f6c56d1acc616a5f0e087b53.tar.gz | |
Add a nullcheck in DOMProxyHandler::EnsureExpandoObject
Diffstat (limited to 'dom')
| -rw-r--r-- | dom/bindings/DOMJSProxyHandler.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/dom/bindings/DOMJSProxyHandler.cpp b/dom/bindings/DOMJSProxyHandler.cpp index f0ebf4385..e121ff65c 100644 --- a/dom/bindings/DOMJSProxyHandler.cpp +++ b/dom/bindings/DOMJSProxyHandler.cpp @@ -121,6 +121,10 @@ DOMProxyHandler::EnsureExpandoObject(JSContext* cx, JS::Handle<JSObject*> obj) nsISupports* native = UnwrapDOMObject<nsISupports>(obj); nsWrapperCache* cache; CallQueryInterface(native, &cache); + if (!cache) { + return expando; + } + if (expandoAndGeneration) { cache->PreserveWrapper(native); expandoAndGeneration->expando.setObject(*expando); |