X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Ftcp_veno.c;h=ec854cc5fad50fd90899818086310cd51b61cbdc;hb=d09f51b6997f3f443c5741bc696651e479576715;hp=9edb340f2f95c6e003f5ff09f135425423881134;hpb=9b6a51746ffe8d619f1097675d2dc5e303470024;p=linux-2.6-omap-h63xx.git

diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c
index 9edb340f2f9..ec854cc5fad 100644
--- a/net/ipv4/tcp_veno.c
+++ b/net/ipv4/tcp_veno.c
@@ -74,6 +74,9 @@ static void tcp_veno_pkts_acked(struct sock *sk, u32 cnt, ktime_t last)
 	struct veno *veno = inet_csk_ca(sk);
 	u32 vrtt;
 
+	if (ktime_equal(last, net_invalid_timestamp()))
+		return;
+
 	/* Never allow zero rtt or baseRTT */
 	vrtt = ktime_to_us(net_timedelta(last)) + 1;