From 5a64096700dc9761b57e767c9f0b740eb2cb84dd Mon Sep 17 00:00:00 2001
From: "xinhui.pan" <xinhuix.pan@intel.com>
Date: Mon, 28 Jul 2014 16:14:52 +0800
Subject: [PATCH] tty/n_gsm.c: fix a memory leak in gsmld_open

If gsmld_attach_gsm fails, the gsm is not used anymore.
tty core will not call gsmld_close to do the cleanup work.
tty core just restore to the tty old ldisc.
That always causes memory leak.

Signed-off-by: xinhui.pan <xinhuiX.pan@intel.com>
Reported-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed