From 1120e4bfa5f9c28cb55d815ab3c6bed81dfc595c Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Thu, 17 Oct 2013 17:24:16 -0700
Subject: [PATCH] Bluetooth: Use IS_ERR_OR_NULL for checking bt_debugfs

Make sure to use IS_ERR_OR_NULL for checking the existing of the root
debugfs dentry bt_debugfs.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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