From b0d1ae4a5c972fcea1462b9067979f202cac8fa3 Mon Sep 17 00:00:00 2001
From: Kjell Ahlstedt <kjellahlstedt@gmail.com>
Date: Fri, 10 Nov 2017 16:48:30 +0100
Subject: [PATCH] GtkCssImageIconTheme: Don't try to unref a NULL pointer

In gtk_css_image_icon_theme_snapshot(), don't try to unref icon_info
if it's NULL.

https://bugzilla.gnome.org/show_bug.cgi?id=790171
---
 gtk/gtkcssimageicontheme.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gtk/gtkcssimageicontheme.c b/gtk/gtkcssimageicontheme.c
index 399f7b4f2b..1183bd8962 100644
--- a/gtk/gtkcssimageicontheme.c
+++ b/gtk/gtkcssimageicontheme.c
@@ -100,7 +100,8 @@ gtk_css_image_icon_theme_snapshot (GtkCssImage *image,
       icon_theme->cached_symbolic = symbolic;
 
       g_object_unref (pixbuf);
-      g_object_unref (icon_info);
+      if (icon_info)
+        g_object_unref (icon_info);
     }
 
   texture_width = (double) gdk_texture_get_width (texture) / icon_theme->scale;