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Commit c39508d6 authored by David S. Miller's avatar David S. Miller
Browse files

tcp: Make TCP_MAXSEG minimum more correct. 



Use TCP_MIN_MSS instead of constant 64.

Reported-by: default avatarMin Zhang <mzhang@mvista.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4448008e

net/ipv4/tcp.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

		}