From 4e7edb2778f85a5475ffe9c782c91d86a7b902ca Mon Sep 17 00:00:00 2001

From: Oleksij Rempel (Alexey Fisher) <bug-track@fisher-privat.net>

Date: Mon, 12 Mar 2012 14:42:04 +0000

Subject: geometrictransform: make sure gt->map not freed twice

current cheese can create situation where gt->map is freed twice.

This patch set map to null to avoid it.

https://bugzilla.gnome.org/show_bug.cgi?id=671910

diff --git a/gst/geometrictransform/gstgeometrictransform.c b/gst/geometrictransform/gstgeometrictransform.c

index 8e78de7..274d483 100644

--- a/gst/geometrictransform/gstgeometrictransform.c

+++ b/gst/geometrictransform/gstgeometrictransform.c

@@ -143,9 +143,10 @@ gst_geometric_transform_generate_map (GstGeometricTransform * gt)

   }

 end:

-  if (!ret)

+  if (!ret) {

     g_free (gt->map);

-  else

+    gt->map = NULL;

+  } else

     gt->needs_remap = FALSE;

   return ret;

 }

@@ -348,6 +349,7 @@ gst_geometric_transform_stop (GstBaseTransform * trans)

   GstGeometricTransform *gt = GST_GEOMETRIC_TRANSFORM_CAST (trans);

   g_free (gt->map);

+  gt->map = NULL;

   return TRUE;

 }

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