From: Arnaldo Carvalho de Melo <[EMAIL PROTECTED]>
Date: Fri, 21 Dec 2007 10:23:16 -0200
> Em Fri, Dec 21, 2007 at 06:56:17AM +0100, Eric Dumazet escreveu:
> > +static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock
> > *sk)
> > +{
> > + int mss;
> - int mss;
>
> > +
> > + /* Black hole detection */
> > + if (sysctl_tcp_mtu_probing) {
> > + if (!icsk->icsk_mtup.enabled) {
> > + icsk->icsk_mtup.enabled = 1;
> > + 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;
I've checked in this, ummm... patch :-)
commit 323f3f2f31840f94e540ec5a0ce33593d05dd8d9
Author: David S. Miller <[EMAIL PROTECTED]>
Date: Fri Dec 21 04:29:16 2007 -0800
[TCP]: Move mss variable in tcp_mtu_probing()
Down into the only scope where it is used.
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 8f14808..ea111e9 100644
--- 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);
--
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