l2tp: fix a typo in l2tp_eth_dev_recv()

While investigating l2tp bug, I hit a bug in eth_type_trans(),
because not enough bytes were pulled in skb head.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index f9ee74deeac2..3bfb34aaee29 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -153,7 +153,7 @@ static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb,
                 print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, skb->data, length);
         }
 
-        if (!pskb_may_pull(skb, sizeof(ETH_HLEN)))
+        if (!pskb_may_pull(skb, ETH_HLEN))
                 goto error;
 
         secpath_reset(skb);