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authorDavid S. Miller <davem@davemloft.net>2010-11-24 11:47:22 -0800
committerDavid S. Miller <davem@davemloft.net>2010-11-24 11:47:22 -0800
commitc39508d6f118308355468314ff414644115a07f3 (patch)
treec69cfd271855fa4b81398f9ddcb3dc286489d71a
parent4448008eb12f4b6bb9993584de8ec1d20b708d6f (diff)
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tcp: Make TCP_MAXSEG minimum more correct.
Use TCP_MIN_MSS instead of constant 64. Reported-by: Min Zhang <mzhang@mvista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/tcp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 08141996948..f15c36a706e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2246,7 +2246,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
/* 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;
}