[NET]: Kill eth_copy_and_sum().

It hasn't "summed" anything in over 7 years, and it's
just a straight mempcy ala skb_copy_to_linear_data()
so just get rid of it.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/ppc/8260_io/enet.c b/arch/ppc/8260_io/enet.c
index 4c0a7d7..615b658 100644
--- a/arch/ppc/8260_io/enet.c
+++ b/arch/ppc/8260_io/enet.c
@@ -477,9 +477,9 @@
 		}
 		else {
 			skb_put(skb,pkt_len-4);	/* Make room */
-			eth_copy_and_sum(skb,
+			skb_copy_to_linear_data(skb,
 				(unsigned char *)__va(bdp->cbd_bufaddr),
-				pkt_len-4, 0);
+				pkt_len-4);
 			skb->protocol=eth_type_trans(skb,dev);
 			netif_rx(skb);
 		}
diff --git a/arch/ppc/8260_io/fcc_enet.c b/arch/ppc/8260_io/fcc_enet.c
index cab395d..6f3ed6a 100644
--- a/arch/ppc/8260_io/fcc_enet.c
+++ b/arch/ppc/8260_io/fcc_enet.c
@@ -734,9 +734,9 @@
 		}
 		else {
 			skb_put(skb,pkt_len);	/* Make room */
-			eth_copy_and_sum(skb,
+			skb_copy_to_linear_data(skb,
 				(unsigned char *)__va(bdp->cbd_bufaddr),
-				pkt_len, 0);
+				pkt_len);
 			skb->protocol=eth_type_trans(skb,dev);
 			netif_rx(skb);
 		}
diff --git a/arch/ppc/8xx_io/enet.c b/arch/ppc/8xx_io/enet.c
index e58288e..703d47e 100644
--- a/arch/ppc/8xx_io/enet.c
+++ b/arch/ppc/8xx_io/enet.c
@@ -506,9 +506,9 @@
 		}
 		else {
 			skb_put(skb,pkt_len-4);	/* Make room */
-			eth_copy_and_sum(skb,
+			skb_copy_to_linear_data(skb,
 				cep->rx_vaddr[bdp - cep->rx_bd_base],
-				pkt_len-4, 0);
+				pkt_len-4);
 			skb->protocol=eth_type_trans(skb,dev);
 			netif_rx(skb);
 		}
diff --git a/arch/ppc/8xx_io/fec.c b/arch/ppc/8xx_io/fec.c
index d38335d..0288279 100644
--- a/arch/ppc/8xx_io/fec.c
+++ b/arch/ppc/8xx_io/fec.c
@@ -725,7 +725,7 @@
 		fep->stats.rx_dropped++;
 	} else {
 		skb_put(skb,pkt_len-4);	/* Make room */
-		eth_copy_and_sum(skb, data, pkt_len-4, 0);
+		skb_copy_to_linear_data(skb, data, pkt_len-4);
 		skb->protocol=eth_type_trans(skb,dev);
 		netif_rx(skb);
 	}