dccp: Use cork flow in dccp_v4_connect()

Since this is invoked from inet_stream_connect() the socket is locked
and therefore this usage is safe.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 5 deletions

diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 36700a46b245..4ac1a728083a 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -45,7 +45,7 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
         struct dccp_sock *dp = dccp_sk(sk);
         __be16 orig_sport, orig_dport;
         __be32 daddr, nexthop;
-        struct flowi4 fl4;
+        struct flowi4 *fl4;
         struct rtable *rt;
         int err;
         struct ip_options_rcu *inet_opt;
@@ -70,7 +70,8 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 
         orig_sport = inet->inet_sport;
         orig_dport = usin->sin_port;
-        rt = ip_route_connect(&fl4, nexthop, inet->inet_saddr,
+        fl4 = &inet->cork.fl.u.ip4;
+        rt = ip_route_connect(fl4, nexthop, inet->inet_saddr,
                               RT_CONN_FLAGS(sk), sk->sk_bound_dev_if,
                               IPPROTO_DCCP,
                               orig_sport, orig_dport, sk, true);
@@ -83,10 +84,10 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
         }
 
         if (inet_opt == NULL || !inet_opt->opt.srr)
-                daddr = fl4.daddr;
+                daddr = fl4->daddr;
 
         if (inet->inet_saddr == 0)
-                inet->inet_saddr = fl4.saddr;
+                inet->inet_saddr = fl4->saddr;
         inet->inet_rcv_saddr = inet->inet_saddr;
 
         inet->inet_dport = usin->sin_port;
@@ -106,7 +107,7 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
         if (err != 0)
                 goto failure;
 
-        rt = ip_route_newports(&fl4, rt, orig_sport, orig_dport,
+        rt = ip_route_newports(fl4, rt, orig_sport, orig_dport,
                                inet->inet_sport, inet->inet_dport, sk);
         if (IS_ERR(rt)) {
                 rt = NULL;