From f375fc520d4df0cd9fcb570f33c103c6c0311f9e Mon Sep 17 00:00:00 2001
From: Daniel Mack <zonque@gmail.com>
Date: Wed, 21 Aug 2013 11:17:21 +0200
Subject: [PATCH] usb: ehci-mxc: check for pdata before dereferencing

Commit 7e8d5cd93fac ("USB: Add EHCI support for MX27 and MX31 based
boards") introduced code that could potentially lead to a NULL pointer
dereference on driver removal.

Fix this by checking for the value of pdata before dereferencing it.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org> # 2.6.33+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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