Message ID | 1275480124-24383-1-git-send-email-root@danielinux.net |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Daniele Lacamera <root@danielinux.net> Date: Wed, 2 Jun 2010 14:02:04 +0200 > From: root <root@kitchen.(none)> Please do not include incomplete authorship tags in your patch postings like this, I used the more complete one from your email headers. > For large values of rtt, 2^rho operation may overflow u32. Clamp down the increment to 2^16. > Signed-off-by: Daniele Lacamera <root@danielinux.net> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/ipv4/tcp_hybla.c b/net/ipv4/tcp_hybla.c index c209e05..8db01d4 100644 --- a/net/ipv4/tcp_hybla.c +++ b/net/ipv4/tcp_hybla.c @@ -126,8 +126,8 @@ static void hybla_cong_avoid(struct sock *sk, u32 ack, u32 in_flight) * calculate 2^fract in a <<7 value. */ is_slowstart = 1; - increment = ((1 << ca->rho) * hybla_fraction(rho_fractions)) - - 128; + increment = ((1 << min(ca->rho, 16U)) * + hybla_fraction(rho_fractions)) - 128; } else { /* * congestion avoidance