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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>
This commit is contained in:
David S. Miller 2010-11-24 11:47:22 -08:00
parent 4448008eb1
commit c39508d6f1
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/tcp.c
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@ -2246,7 +2246,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
/* Values greater than interface MTU won't take effect. However /* Values greater than interface MTU won't take effect. However
* at the point when this call is done we typically don't yet * at the point when this call is done we typically don't yet
* know which interface is going to be used */ * 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; err = -EINVAL;
break; break;
} }