sh_eth: use ETH_ZLEN instead of home-grown #define

The driver #define's and uses ETHERSMALL macro for the minimum Ethernet frame
size for which we have a standard macro ETH_ZLEN.  Use the latter  instead of
the home-grown one.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 3 insertions, 4 deletions

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 040cb94e8219..88b40b514cb2 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2098,8 +2098,8 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
                                  skb->len + 2);
         txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len,
                                       DMA_TO_DEVICE);
-        if (skb->len < ETHERSMALL)
-                txdesc->buffer_length = ETHERSMALL;
+        if (skb->len < ETH_ZLEN)
+                txdesc->buffer_length = ETH_ZLEN;
         else
                 txdesc->buffer_length = skb->len;
 
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 6075915b88ec..d55e37cd5fec 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -27,8 +27,7 @@
 #define RX_RING_MIN     64
 #define TX_RING_MAX     1024
 #define RX_RING_MAX     1024
-#define ETHERSMALL              60
-#define PKT_BUF_SZ              1538
+#define PKT_BUF_SZ      1538
 #define SH_ETH_TSU_TIMEOUT_MS   500
 #define SH_ETH_TSU_CAM_ENTRIES  32