diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index c7f9fb33ce95..510d50603a02 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -621,7 +621,7 @@ static int rxq_refill(struct rx_queue *rxq, int budget)
 
 		rx_desc = rxq->rx_desc_area + rx;
 
-		size = skb->end - skb->data;
+		size = skb_end_pointer(skb) - skb->data;
 		rx_desc->buf_ptr = dma_map_single(mp->dev->dev.parent,
 						  skb->data, size,
 						  DMA_FROM_DEVICE);