From b8a8dfeffd5f97134b947bec3118640976a3cada Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Wed, 20 Jan 2010 13:13:08 -0800
Subject: [PATCH] part of fix for [2363506] [Sapphire] Video playback broken

make sure to reject incompatible buffers in special function
  GRALLOC_MODULE_PERFORM_CREATE_HANDLE_FROM_BUFFER

we use ioctl(PMEM_GET_SIZE) to validate that the given buffer is indeed
a pmem buffer.