diff options
| -rw-r--r-- | net/l2tp/l2tp_ppp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 04d9946dcdba..c03c6461f236 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -236,6 +236,10 @@ static void pppol2tp_recv(struct l2tp_session *session, struct sk_buff *skb, int skb->data[1] == PPP_UI) skb_pull(skb, 2); + /* Decompress protocol field if PFC is enabled */ + if ((*skb->data) & 0x1) + *(u8 *)skb_push(skb, 1) = 0; + if (sk->sk_state & PPPOX_BOUND) { struct pppox_sock *po; |