l2tp: Use cork flow in l2tp_ip_connect() and l2tp_ip_sendmsg()
Now that the socket is consistently locked in these two routines,
this transformation is legal.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index bd0cc0b..1ca7489 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -298,7 +298,7 @@
{
struct sockaddr_l2tpip *lsa = (struct sockaddr_l2tpip *) uaddr;
struct inet_sock *inet = inet_sk(sk);
- struct flowi4 fl4;
+ struct flowi4 *fl4;
struct rtable *rt;
__be32 saddr;
int oif, rc;
@@ -322,7 +322,8 @@
if (ipv4_is_multicast(lsa->l2tp_addr.s_addr))
goto out;
- rt = ip_route_connect(&fl4, lsa->l2tp_addr.s_addr, saddr,
+ fl4 = &inet->cork.fl.u.ip4;
+ rt = ip_route_connect(fl4, lsa->l2tp_addr.s_addr, saddr,
RT_CONN_FLAGS(sk), oif,
IPPROTO_L2TP,
0, 0, sk, true);
@@ -342,10 +343,10 @@
l2tp_ip_sk(sk)->peer_conn_id = lsa->l2tp_conn_id;
if (!inet->inet_saddr)
- inet->inet_saddr = fl4.saddr;
+ inet->inet_saddr = fl4->saddr;
if (!inet->inet_rcv_saddr)
- inet->inet_rcv_saddr = fl4.saddr;
- inet->inet_daddr = fl4.daddr;
+ inet->inet_rcv_saddr = fl4->saddr;
+ inet->inet_daddr = fl4->daddr;
sk->sk_state = TCP_ESTABLISHED;
inet->inet_id = jiffies;
@@ -420,6 +421,7 @@
struct l2tp_ip_sock *lsa = l2tp_ip_sk(sk);
struct inet_sock *inet = inet_sk(sk);
struct rtable *rt = NULL;
+ struct flowi4 *fl4;
int connected = 0;
__be32 daddr;
@@ -474,12 +476,12 @@
goto error;
}
+ fl4 = &inet->cork.fl.u.ip4;
if (connected)
rt = (struct rtable *) __sk_dst_check(sk, 0);
if (rt == NULL) {
struct ip_options_rcu *inet_opt;
- struct flowi4 fl4;
rcu_read_lock();
inet_opt = rcu_dereference(inet->inet_opt);
@@ -494,7 +496,7 @@
* keep trying until route appears or the connection times
* itself out.
*/
- rt = ip_route_output_ports(sock_net(sk), &fl4, sk,
+ rt = ip_route_output_ports(sock_net(sk), fl4, sk,
daddr, inet->inet_saddr,
inet->inet_dport, inet->inet_sport,
sk->sk_protocol, RT_CONN_FLAGS(sk),