--- zzzz-none-000/linux-2.6.28.10/drivers/net/usb/rndis_host.c	2009-05-02 18:54:43.000000000 +0000
+++ fusiv-7390-686/linux-2.6.28.10/drivers/net/usb/rndis_host.c	2014-06-06 15:32:53.000000000 +0000
@@ -351,6 +351,19 @@
 			 dev->hard_mtu, tmp, net->mtu);
 	}
 
+	/* == 20140606 AVM/WK - FIX: Adjust Rx Buffer Size == */
+	if (tmp > dev->rx_urb_size) {
+		dev->rx_urb_size = 4096;
+		while (tmp > dev->rx_urb_size) {
+			dev->rx_urb_size += 4096;
+			if (dev->rx_urb_size >= (4*4096)) {
+				break;
+			}
+		}
+		dev_warn(&intf->dev, 
+			"dev needs rx_urb_size %d, adjusting to %d\n", tmp, dev->rx_urb_size);
+	}
+
 	/* REVISIT:  peripheral "alignment" request is ignored ... */
 	dev_dbg(&intf->dev,
 		"hard mtu %u (%u from dev), rx buflen %Zu, align %d\n",