From ed17c74f586196c95c4cc9f061451db005aff3de Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Sat, 24 Mar 2012 17:16:47 -0400
Subject: [PATCH] grid: avoid a floating point exception

When a homogeneous grid has no visible children, we were
accidentally doing a division by zero. Instead, just bail
out early in this case, there is nothing to allocate anyway.

https://bugzilla.gnome.org/show_bug.cgi?id=672763
---
 gtk/gtkgrid.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gtk/gtkgrid.c b/gtk/gtkgrid.c
index fdbdf7c147..8a96e82751 100644
--- a/gtk/gtkgrid.c
+++ b/gtk/gtkgrid.c
@@ -1020,6 +1020,9 @@ gtk_grid_request_allocate (GtkGridRequest *request,
 
   gtk_grid_request_compute_expand (request, orientation, &nonempty, &expand);
 
+  if (nonempty == 0)
+    return;
+
   linedata = &priv->linedata[orientation];
   lines = &request->lines[orientation];