l2tp: Restore socket refcount when sendmsg succeeds

[karo-tx-linux.git] / net / l2tp / l2tp_ppp.c

diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 286366ef8930a08981f04952d4459f2b9a413071..044e9e174babdb178648e8a16f4b8f41c65f1196 100644 (file)
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -355,6 +355,7 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh
        l2tp_xmit_skb(session, skb, session->hdr_len);
 
        sock_put(ps->tunnel_sock);
+       sock_put(sk);
 
        return error;
 
@@ -388,8 +389,6 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
        struct l2tp_session *session;
        struct l2tp_tunnel *tunnel;
        struct pppol2tp_session *ps;
-       int old_headroom;
-       int new_headroom;
        int uhlen, headroom;
 
        if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED))
@@ -408,7 +407,6 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
        if (tunnel == NULL)
                goto abort_put_sess;
 
-       old_headroom = skb_headroom(skb);
        uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0;
        headroom = NET_SKB_PAD +
                   sizeof(struct iphdr) + /* IP header */
@@ -418,9 +416,6 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
        if (skb_cow_head(skb, headroom))
                goto abort_put_sess_tun;
 
-       new_headroom = skb_headroom(skb);
-       skb->truesize += new_headroom - old_headroom;
-
        /* Setup PPP header */
        __skb_push(skb, sizeof(ppph));
        skb->data[0] = ppph[0];