From 74041bb6ea04bdad6593c87b0726c5071b9ca2ee Mon Sep 17 00:00:00 2001
From: Bastian Winkler <buz@netbuz.org>
Date: Sun, 3 Jun 2012 01:40:41 +0200
Subject: [PATCH] grid: Add missing guard to gtk_grid_get_child_at()

Add missing guard to make sure it's called with a GtkGrid argument.

https://bugzilla.gnome.org/show_bug.cgi?id=677363
---
 gtk/gtkgrid.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gtk/gtkgrid.c b/gtk/gtkgrid.c
index f8a281e711..cbc3c34790 100644
--- a/gtk/gtkgrid.c
+++ b/gtk/gtkgrid.c
@@ -1603,10 +1603,14 @@ gtk_grid_get_child_at (GtkGrid *grid,
                        gint     left,
                        gint     top)
 {
-  GtkGridPrivate *priv = grid->priv;
+  GtkGridPrivate *priv;
   GtkGridChild *child;
   GList *list;
 
+  g_return_val_if_fail (GTK_IS_GRID (grid), NULL);
+
+  priv = grid->priv;
+
   for (list = priv->children; list; list = list->next)
     {
       child = list->data;