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>

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index c5f8e5bda2b29c4606f3245ba9388f943d3f2147..dc74295b352e557390fad9423cb40510f48122fd 100644 (file)
--- 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;