From 5cf423733305cd63e8b604e50dcb40f967dec71f Mon Sep 17 00:00:00 2001
From: Lee Salzman <lsalzman@mozilla.com>
Date: Fri, 1 Jun 2018 15:39:50 -0400
Subject: [PATCH] Bug 1464094 - follow-up - check that dlsym succeeded in
 ApplyVariations. r=me

MozReview-Commit-ID: 5lrrnFVKMS0
---
 gfx/2d/ScaledFontFontconfig.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gfx/2d/ScaledFontFontconfig.cpp b/gfx/2d/ScaledFontFontconfig.cpp
index 04d4e16ea30d..27256d36f7ee 100644
--- a/gfx/2d/ScaledFontFontconfig.cpp
+++ b/gfx/2d/ScaledFontFontconfig.cpp
@@ -589,6 +589,10 @@ ScaledFontFontconfig::ApplyVariations(const FontVariation* aVariations,
     setCoords = (SetVarDesignCoordsFunc)dlsym(RTLD_DEFAULT, "FT_Set_Var_Design_Coordinates");
   }
 
+  if (!setCoords) {
+    return;
+  }
+
   cairo_scaled_font_t* sf = GetCairoScaledFont();
   FT_Face face = cairo_ft_scaled_font_lock_face(sf);
   if (face && face->face_flags & FT_FACE_FLAG_MULTIPLE_MASTERS) {