diff --git a/[refs] b/[refs]
index c4b130126c7c..c2b08671551e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aaff1e1904f787579778a1818f0891c91ae22ec0
+refs/heads/master: c71a2699c511623e0520c754cfc109c191bf64e2
diff --git a/trunk/drivers/net/wimax/i2400m/rx.c b/trunk/drivers/net/wimax/i2400m/rx.c
index 6922022710ac..c62b8c564161 100644
--- a/trunk/drivers/net/wimax/i2400m/rx.c
+++ b/trunk/drivers/net/wimax/i2400m/rx.c
@@ -177,8 +177,7 @@ void i2400m_rx_ctl_ack(struct i2400m *i2400m,
 	return;
 
 error_waiter_cancelled:
-	if (ack_skb)
-		kfree_skb(ack_skb);
+	kfree_skb(ack_skb);
 error_no_waiter:
 	spin_unlock_irqrestore(&i2400m->rx_lock, flags);
 	return;