From 178e485a0ebbfdb7165b4363d8fea2a07d650c0b Mon Sep 17 00:00:00 2001
From: Bill Pemberton <wfp5p@virginia.edu>
Date: Tue, 9 Oct 2012 14:18:20 -0400
Subject: [PATCH] staging: dgrp: check return value of alloc_tty_driver

alloc_tty_driver was always assumed to succeed.  Add code to check the
return value and return -ENOMEM if alloc_tty_driver fails.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed