net: Add ops->ndo_xmit_flush()

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index e8e0e7a..d662da1 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -599,7 +599,7 @@
 	}
 
 non_ip:
-	return mpc->old_ops->ndo_start_xmit(skb, dev);
+	return __netdev_start_xmit(mpc->old_ops, skb, dev);
 }
 
 static int atm_mpoa_vcc_attach(struct atm_vcc *vcc, void __user *arg)