diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c
index e45829628d5fd9..eb4aea3fe793a8 100644
--- a/drivers/net/ethernet/sis/sis900.c
+++ b/drivers/net/ethernet/sis/sis900.c
@@ -1187,8 +1187,14 @@ sis900_init_rx_ring(struct net_device *net_dev)
 		}
 		sis_priv->rx_skbuff[i] = skb;
 		sis_priv->rx_ring[i].cmdsts = RX_BUF_SIZE;
-                sis_priv->rx_ring[i].bufptr = pci_map_single(sis_priv->pci_dev,
-                        skb->data, RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+		sis_priv->rx_ring[i].bufptr = pci_map_single(sis_priv->pci_dev,
+				skb->data, RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+		if (unlikely(pci_dma_mapping_error(sis_priv->pci_dev,
+				sis_priv->rx_ring[i].bufptr))) {
+			dev_kfree_skb(skb);
+			sis_priv->rx_skbuff[i] = NULL;
+			break;
+		}
 	}
 	sis_priv->dirty_rx = (unsigned int) (i - NUM_RX_DESC);
 
@@ -1621,6 +1627,14 @@ sis900_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
 	/* set the transmit buffer descriptor and enable Transmit State Machine */
 	sis_priv->tx_ring[entry].bufptr = pci_map_single(sis_priv->pci_dev,
 		skb->data, skb->len, PCI_DMA_TODEVICE);
+	if (unlikely(pci_dma_mapping_error(sis_priv->pci_dev,
+		sis_priv->tx_ring[entry].bufptr))) {
+			dev_kfree_skb(skb);
+			sis_priv->tx_skbuff[entry] = NULL;
+			net_dev->stats.tx_dropped++;
+			spin_unlock_irqrestore(&sis_priv->lock, flags);
+			return NETDEV_TX_OK;
+	}
 	sis_priv->tx_ring[entry].cmdsts = (OWN | skb->len);
 	sw32(cr, TxENA | sr32(cr));
 
@@ -1824,9 +1838,15 @@ static int sis900_rx(struct net_device *net_dev)
 refill_rx_ring:
 			sis_priv->rx_skbuff[entry] = skb;
 			sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE;
-                	sis_priv->rx_ring[entry].bufptr =
+			sis_priv->rx_ring[entry].bufptr =
 				pci_map_single(sis_priv->pci_dev, skb->data,
 					RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+			if (unlikely(pci_dma_mapping_error(sis_priv->pci_dev,
+				sis_priv->rx_ring[entry].bufptr))) {
+				dev_kfree_skb_irq(skb);
+				sis_priv->rx_skbuff[entry] = NULL;
+				break;
+			}
 		}
 		sis_priv->cur_rx++;
 		entry = sis_priv->cur_rx % NUM_RX_DESC;
@@ -1852,9 +1872,15 @@ static int sis900_rx(struct net_device *net_dev)
 			}
 			sis_priv->rx_skbuff[entry] = skb;
 			sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE;
-                	sis_priv->rx_ring[entry].bufptr =
+			sis_priv->rx_ring[entry].bufptr =
 				pci_map_single(sis_priv->pci_dev, skb->data,
 					RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+			if (unlikely(pci_dma_mapping_error(sis_priv->pci_dev,
+					sis_priv->rx_ring[entry].bufptr))) {
+				dev_kfree_skb_irq(skb);
+				sis_priv->rx_skbuff[entry] = NULL;
+				break;
+			}
 		}
 	}
 	/* re-enable the potentially idle receive state matchine */