l2tp: fix unused variable warning

net/l2tp/l2tp_core.c:1111:15: warning: unused variable
'sk' [-Wunused-variable]

Fixes: 31c70d5956fc ("l2tp: keep original skb ownership")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 9958c31..dcab9dd 100644 (file)
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1108,7 +1108,6 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb,
                          struct flowi *fl, size_t data_len)
 {
        struct l2tp_tunnel *tunnel = session->tunnel;
-       struct sock *sk = tunnel->sock;
        unsigned int len = skb->len;
        int error;
 
@@ -1132,7 +1131,7 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb,
        /* Queue the packet to IP for output */
        skb->local_df = 1;
 #if IS_ENABLED(CONFIG_IPV6)
-       if (sk->sk_family == PF_INET6 && !tunnel->v4mapped)
+       if (tunnel->sock->sk_family == PF_INET6 && !tunnel->v4mapped)
                error = inet6_csk_xmit(skb, NULL);
        else
 #endif