diff --git a/net/sched/estimator.c b/net/sched/estimator.c
index 5d3ae03..0ebc98e 100644
--- a/net/sched/estimator.c
+++ b/net/sched/estimator.c
@@ -139,11 +139,10 @@
 	if (parm->interval < -2 || parm->interval > 3)
 		return -EINVAL;
 
-	est = kmalloc(sizeof(*est), GFP_KERNEL);
+	est = kzalloc(sizeof(*est), GFP_KERNEL);
 	if (est == NULL)
 		return -ENOBUFS;
 
-	memset(est, 0, sizeof(*est));
 	est->interval = parm->interval + 2;
 	est->stats = stats;
 	est->stats_lock = stats_lock;