Commit 6df378d2 authored by chas williams - CONTRACTOR's avatar chas williams - CONTRACTOR Committed by David S. Miller
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lec: Use rtnl lock/unlock when updating MTU 



The LECS response contains the MTU that should be used.  Correctly
synchronize with other layers when updating.

Signed-off-by: default avatarChas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 02784f1b

net/atm/lec.c

+2 −0
Original line number Diff line number Diff line
@@ -410,9 +410,11 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb) 
		priv->lane2_ops = NULL;

		if (priv->lane_version > 1)

			priv->lane2_ops = &lane2_ops;

		rtnl_lock();

		if (dev_set_mtu(dev, mesg->content.config.mtu))

			pr_info("%s: change_mtu to %d failed\n",

				dev->name, mesg->content.config.mtu);

		rtnl_unlock();

		priv->is_proxy = mesg->content.config.is_proxy;

		break;

	case l_flush_tran_id: