From 1902395cb997a07ae9ec2ee99bd4cc8d027f6f99 Mon Sep 17 00:00:00 2001
From: Ken Mills <ken.k.mills@intel.com>
Date: Tue, 25 Jan 2011 14:17:45 +0000
Subject: [PATCH] n_gsm: copy mtu over when configuring via ioctl interface

commit 91f78f36694b8748fda855b1f9e3614b027a744f upstream.

This field is settable but did not get copied.

Signed-off-by: Ken Mills <ken.k.mills@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/tty/n_gsm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index c5f8e5bda2b2..dc74295b352e 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2375,6 +2375,7 @@ static int gsmld_config(struct tty_struct *tty, struct gsm_mux *gsm,
 
 	gsm->initiator = c->initiator;
 	gsm->mru = c->mru;
+	gsm->mtu = c->mtu;
 	gsm->encoding = c->encapsulation;
 	gsm->adaption = c->adaption;
 	gsm->n2 = c->n2;