From d8e4526604f100f19e955f452e759fb313c061d8 Mon Sep 17 00:00:00 2001
From: Christian Holler <choller@mozilla.com>
Date: Mon, 22 Jan 2024 18:56:18 +0000
Subject: [PATCH] Bug 1875484 - Add missing null check in Hal code. r=gsvelto

Differential Revision: https://phabricator.services.mozilla.com/D199095
---
 hal/Hal.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hal/Hal.cpp b/hal/Hal.cpp
index 2265fe1176e0..c8e25690bc61 100644
--- a/hal/Hal.cpp
+++ b/hal/Hal.cpp
@@ -64,6 +64,7 @@ void AssertMainThread() { MOZ_ASSERT(NS_IsMainThread()); }
 bool InSandbox() { return GeckoProcessType_Content == XRE_GetProcessType(); }
 
 bool WindowIsActive(nsPIDOMWindowInner* aWindow) {
+  NS_ENSURE_TRUE(aWindow, false);
   dom::Document* document = aWindow->GetDoc();
   NS_ENSURE_TRUE(document, false);
   return !document->Hidden();