commit a4cd0271ead09439fa03ce38fa79654dd1e5484b
author WANG Cong <xiyou.wangcong@gmail.com> Mon Nov 21 23:24:43 2016 -0800
committer David S. Miller <davem@davemloft.net> Wed Nov 23 20:18:36 2016 -0500
tree af406ecded28c5c9fc336cbaa5ff3e560730f147
parent 93af205656bed3d8d3f4b85b2a3749c7ed7d996a

net: revert "net: l2tp: Treat NET_XMIT_CN as success in l2tp_eth_dev_xmit"

This reverts commit 7c6ae610a1f0, because l2tp_xmit_skb() never
returns NET_XMIT_CN, it ignores the return value of l2tp_xmit_core().

Cc: Gao Feng <gfree.wind@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/l2tp/l2tp_eth.c

diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 3dc97b4..965f7e3 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -97,7 +97,7 @@
 	unsigned int len = skb->len;
 	int ret = l2tp_xmit_skb(session, skb, session->hdr_len);
 
-	if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
+	if (likely(ret == NET_XMIT_SUCCESS)) {
 		atomic_long_add(len, &priv->tx_bytes);
 		atomic_long_inc(&priv->tx_packets);
 	} else {