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[TCP]: Move mss variable in tcp_mtu_probing()

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Down into the only scope where it is used.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-12-21 04:29:16 -08:00 committed by David S. Miller
parent 8df09ea3b8
commit 829942c187
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/tcp_timer.c
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@ -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) static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
{ {
int mss;
/* Black hole detection */ /* Black hole detection */
if (sysctl_tcp_mtu_probing) { if (sysctl_tcp_mtu_probing) {
if (!icsk->icsk_mtup.enabled) { 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); tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
} else { } else {
struct tcp_sock *tp = tcp_sk(sk); struct tcp_sock *tp = tcp_sk(sk);
int mss;
mss = tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2; mss = tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2;
mss = min(sysctl_tcp_base_mss, mss); mss = min(sysctl_tcp_base_mss, mss);
mss = max(mss, 68 - tp->tcp_header_len); mss = max(mss, 68 - tp->tcp_header_len);