[TCP]: Move mss variable in tcp_mtu_probing()

Down into the only scope where it is used.

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

diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 8f14808..ea111e9 100644 (file)
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -116,8 +116,6 @@ static int tcp_orphan_retries(struct sock *sk, int alive)
 
 static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
 {
-       int mss;
-
        /* Black hole detection */
        if (sysctl_tcp_mtu_probing) {
                if (!icsk->icsk_mtup.enabled) {
@@ -125,6 +123,8 @@ static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
                        tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
                } else {
                        struct tcp_sock *tp = tcp_sk(sk);
+                       int mss;
+
                        mss = tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2;
                        mss = min(sysctl_tcp_base_mss, mss);
                        mss = max(mss, 68 - tp->tcp_header_len);