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Date: Tue, 1 Feb 2011 16:44:02 -0800 (PST)
From: Andi Kleen <andi@...stfloor.org>
To: davem@...emloft.net, gregkh@...e.de, ak@...ux.intel.com,
linux-kernel@...r.kernel.org, stable@...nel.org
Subject: [PATCH] [47/139] tcp: Make TCP_MAXSEG minimum more correct.
2.6.35-longterm review patch. If anyone has any objections, please let me know.
------------------
From: David S. Miller <davem@...emloft.net>
[ Upstream commit c39508d6f118308355468314ff414644115a07f3 ]
Use TCP_MIN_MSS instead of constant 64.
Reported-by: Min Zhang <mzhang@...sta.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
net/ipv4/tcp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.35.y/net/ipv4/tcp.c
===================================================================
--- linux-2.6.35.y.orig/net/ipv4/tcp.c
+++ linux-2.6.35.y/net/ipv4/tcp.c
@@ -2235,7 +2235,7 @@ static int do_tcp_setsockopt(struct sock
/* Values greater than interface MTU won't take effect. However
* at the point when this call is done we typically don't yet
* know which interface is going to be used */
- if (val < 64 || val > MAX_TCP_WINDOW) {
+ if (val < TCP_MIN_MSS || val > MAX_TCP_WINDOW) {
err = -EINVAL;
break;
}
--
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