diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c
index 937e6fef3ac6..50981a28376a 100644
--- a/drivers/net/usb/sr9700.c
+++ b/drivers/net/usb/sr9700.c
@@ -355,7 +355,8 @@ static int sr9700_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 		/* ignore the CRC length */
 		len = (skb->data[1] | (skb->data[2] << 8)) - 4;
 
-		if (len > ETH_FRAME_LEN || len > skb->len || len < 0)
+		if (len > ETH_FRAME_LEN || len < 0 ||
+		    len > skb->len - SR_RX_OVERHEAD)
 			return 0;
 
 		/* the last packet of current skb */