From b89e35636bc75b72d15a1af6d49798802aff77d5 Mon Sep 17 00:00:00 2001
From: Sumit Semwal <sumit.semwal@linaro.org>
Date: Thu, 4 Apr 2013 11:44:37 +0530
Subject: [PATCH] dma-buf: Add debugfs support

Add debugfs support to make it easier to print debug information
about the dma-buf buffers.

Cc: Dave Airlie <airlied@redhat.com>
 [minor fixes on init and warning fix]
Cc: Dan Carpenter <dan.carpenter@oracle.com>
 [remove double unlock in fail case]
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
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