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

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This reverts commit 7c6ae610a1, 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>
This commit is contained in:
WANG Cong 2016-11-21 23:24:43 -08:00 committed by David S. Miller
parent 93af205656
commit a4cd0271ea
1 changed files with 1 additions and 1 deletions
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2
net/l2tp/l2tp_eth.c
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@ -97,7 +97,7 @@ static int l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev)
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 {