Commit 566cfd8f authored by Simon Arlott's avatar Simon Arlott Committed by David S. Miller

[IPV6]: Don't update ADVMSS on routes where the MTU is not also updated

The ADVMSS value was incorrectly updated for ALL routes when the MTU
is updated because it's outside the effect of the if statement's
condition.
Signed-off-by: default avatarSimon Arlott <simon@fire.lp0.eu>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 342ff7b2
......@@ -1983,9 +1983,10 @@ static int rt6_mtu_change_route(struct rt6_info *rt, void *p_arg)
!dst_metric_locked(&rt->u.dst, RTAX_MTU) &&
(dst_mtu(&rt->u.dst) > arg->mtu ||
(dst_mtu(&rt->u.dst) < arg->mtu &&
dst_mtu(&rt->u.dst) == idev->cnf.mtu6)))
dst_mtu(&rt->u.dst) == idev->cnf.mtu6))) {
rt->u.dst.metrics[RTAX_MTU-1] = arg->mtu;
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(arg->mtu);
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(arg->mtu);
}
return 0;
}
......
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