From 5e1f20c4d2d80692caffdec819f87e8ca5f257d1 Mon Sep 17 00:00:00 2001
From: Magnus Melin <mkmelin+mozilla@iki.fi>
Date: Mon, 19 Nov 2018 21:55:32 +0200
Subject: [PATCH] Bug 1507907 - null check result of CFDateFormatterCreate.
 r=gandalf

---
 intl/locale/mac/OSPreferences_mac.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/intl/locale/mac/OSPreferences_mac.cpp b/intl/locale/mac/OSPreferences_mac.cpp
index aef29ab886eae..9510fb6a5b99f 100644
--- a/intl/locale/mac/OSPreferences_mac.cpp
+++ b/intl/locale/mac/OSPreferences_mac.cpp
@@ -160,6 +160,9 @@ OSPreferences::ReadDateTimePattern(DateTimeFormatStyle aDateStyle,
     CFDateFormatterCreate(kCFAllocatorDefault, locale,
                           ToCFDateFormatterStyle(aDateStyle),
                           ToCFDateFormatterStyle(aTimeStyle));
+  if (!formatter) {
+    return false;
+  }
   CFStringRef format = CFDateFormatterGetFormat(formatter);
   CFRelease(locale);