--- tcp_vegas.c.old	2007-02-01 00:33:55.000000000 -0800
+++ tcp_vegas.c	2007-02-01 00:39:49.000000000 -0800
@@ -265,26 +265,25 @@
 			 */
 			diff = (old_wnd << V_PARAM_SHIFT) - target_cwnd;
 
-			if (tp->snd_cwnd <= tp->snd_ssthresh) {
-				/* Slow start.  */
-				if (diff > gamma) {
-					/* Going too fast. Time to slow down
-					 * and switch to congestion avoidance.
-					 */
-					tp->snd_ssthresh = 2;
+			if (diff > gamma && tp->snd_ssthresh > 2 ) {
+				/* Going too fast. Time to slow down
+				 * and switch to congestion avoidance.
+				 */
+				tp->snd_ssthresh = 2;
 
-					/* Set cwnd to match the actual rate
-					 * exactly:
-					 *   cwnd = (actual rate) * baseRTT
-					 * Then we add 1 because the integer
-					 * truncation robs us of full link
-					 * utilization.
-					 */
-					tp->snd_cwnd = min(tp->snd_cwnd,
-							   (target_cwnd >>
-							    V_PARAM_SHIFT)+1);
+				/* Set cwnd to match the actual rate
+				 * exactly:
+				 *   cwnd = (actual rate) * baseRTT
+				 * Then we add 1 because the integer
+				 * truncation robs us of full link
+				 * utilization.
+				 */
+				tp->snd_cwnd = min(tp->snd_cwnd,
+						   (target_cwnd >>
+						    V_PARAM_SHIFT)+1);
 
-				}
+			} else if (tp->snd_cwnd <= tp->snd_ssthresh) {
+				/* Slow start.  */
 				tcp_slow_start(tp);
 			} else {
 				/* Congestion avoidance. */
