[IPV4]: Consolidate the ip cork destruction in ip_output.c

The ip_push_pending_frames and ip_flush_pending_frames do the
same things to flush the sock's cork. Move this into a separate
function and save ~80 bytes from the .text

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index e5f7dc2de30349c8045bdadc5e77940bcf97680d..fd99fbd685ea9512cc03aa57db5347d34dd1e2cb 100644 (file)
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1183,6 +1183,17 @@ error:
        return err;
 }
 
+static void ip_cork_release(struct inet_sock *inet)
+{
+       inet->cork.flags &= ~IPCORK_OPT;
+       kfree(inet->cork.opt);
+       inet->cork.opt = NULL;
+       if (inet->cork.rt) {
+               ip_rt_put(inet->cork.rt);
+               inet->cork.rt = NULL;
+       }
+}
+
 /*
  *     Combined all pending IP fragments on the socket as one IP datagram
  *     and push them out.
@@ -1276,13 +1287,7 @@ int ip_push_pending_frames(struct sock *sk)
        }
 
 out:
-       inet->cork.flags &= ~IPCORK_OPT;
-       kfree(inet->cork.opt);
-       inet->cork.opt = NULL;
-       if (inet->cork.rt) {
-               ip_rt_put(inet->cork.rt);
-               inet->cork.rt = NULL;
-       }
+       ip_cork_release(inet);
        return err;
 
 error:
@@ -1295,19 +1300,12 @@ error:
  */
 void ip_flush_pending_frames(struct sock *sk)
 {
-       struct inet_sock *inet = inet_sk(sk);
        struct sk_buff *skb;
 
        while ((skb = __skb_dequeue_tail(&sk->sk_write_queue)) != NULL)
                kfree_skb(skb);
 
-       inet->cork.flags &= ~IPCORK_OPT;
-       kfree(inet->cork.opt);
-       inet->cork.opt = NULL;
-       if (inet->cork.rt) {
-               ip_rt_put(inet->cork.rt);
-               inet->cork.rt = NULL;
-       }
+       ip_cork_release(inet_sk(sk));
 }