diff --git a/[refs] b/[refs]
index 397b62531853..be110365f546 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 15d317587e17dcb96484e46b17b6e826a1f97661
+refs/heads/master: 4ae47c2ddc55e3c571bb55fca921cfe9b02a685f
diff --git a/trunk/drivers/net/r8169.c b/trunk/drivers/net/r8169.c
index 45864461aab6..1f7fb541ec54 100644
--- a/trunk/drivers/net/r8169.c
+++ b/trunk/drivers/net/r8169.c
@@ -2040,10 +2040,12 @@ static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
 {
 	u32 cur;
 
-	for (cur = start; end - cur > 0; cur++) {
+	for (cur = start; end - cur != 0; cur++) {
 		struct sk_buff *skb;
 		unsigned int i = cur % NUM_RX_DESC;
 
+		WARN_ON((s32)(end - cur) < 0);
+
 		if (tp->Rx_skbuff[i])
 			continue;