diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 45daae234cb856d921f66d53494983c44999daee..1ff5f7076ad531601083660d4b36b6b82dfc8a5e 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -242,7 +242,8 @@ static int ipheth_rcvbulk_callback_ncm(struct urb *urb)
 	dpe = ncm0->dpe16;
 	while (le16_to_cpu(dpe->wDatagramIndex) != 0 &&
 	       le16_to_cpu(dpe->wDatagramLength) != 0) {
-		if (le16_to_cpu(dpe->wDatagramIndex) >= urb->actual_length ||
+		if (le16_to_cpu(dpe->wDatagramIndex) < IPHETH_NCM_HEADER_SIZE ||
+		    le16_to_cpu(dpe->wDatagramIndex) >= urb->actual_length ||
 		    le16_to_cpu(dpe->wDatagramLength) > urb->actual_length -
 		    le16_to_cpu(dpe->wDatagramIndex)) {
 			dev->net->stats.rx_length_errors++;