From d340b3064c14e2c16f9c6fa027e3a5c9044b5671 Mon Sep 17 00:00:00 2001
From: sotaro <sotaro.ikeda.g@gmail.com>
Date: Thu, 9 May 2019 07:37:03 +0000
Subject: [PATCH] Bug 1536668 - Add more check to
 RecvGetTextureFactoryIdentifier() r=nical

Add a check similar to LayerTransactionParent::RecvSetAsyncZoom()

Differential Revision: https://phabricator.services.mozilla.com/D30308

--HG--
extra : moz-landing-system : lando
---
 gfx/layers/ipc/LayerTransactionParent.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gfx/layers/ipc/LayerTransactionParent.cpp b/gfx/layers/ipc/LayerTransactionParent.cpp
index bc09a6a47c24..d86788843465 100644
--- a/gfx/layers/ipc/LayerTransactionParent.cpp
+++ b/gfx/layers/ipc/LayerTransactionParent.cpp
@@ -1031,7 +1031,7 @@ mozilla::ipc::IPCResult LayerTransactionParent::RecvRecordPaintTimes(
 
 mozilla::ipc::IPCResult LayerTransactionParent::RecvGetTextureFactoryIdentifier(
     TextureFactoryIdentifier* aIdentifier) {
-  if (!mLayerManager) {
+  if (mDestroyed || !mLayerManager || mLayerManager->IsDestroyed()) {
     // Default constructor sets mParentBackend to LAYERS_NONE.
     return IPC_OK();
   }