1 files changed, 3 insertions, 2 deletions

diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index e24577367274..9f4dbeb59315 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -53,6 +53,7 @@
 #include <linux/errno.h>
 #include <linux/config.h>
 #include <linux/init.h>
+#include <linux/if_ether.h>
 #include <net/dst.h>
 #include <net/arp.h>
 #include <net/sock.h>
@@ -251,7 +252,7 @@ static int eth_mac_addr(struct net_device *dev, void *p)
 
 static int eth_change_mtu(struct net_device *dev, int new_mtu)
 {
-        if ((new_mtu < 68) || (new_mtu > 1500))
+        if (new_mtu < 68 || new_mtu > ETH_DATA_LEN)
                 return -EINVAL;
         dev->mtu = new_mtu;
         return 0;
@@ -272,7 +273,7 @@ void ether_setup(struct net_device *dev)
 
         dev->type               = ARPHRD_ETHER;
         dev->hard_header_len    = ETH_HLEN;
-        dev->mtu                = 1500; /* eth_mtu */
+        dev->mtu                = ETH_DATA_LEN;
         dev->addr_len           = ETH_ALEN;
         dev->tx_queue_len       = 1000; /* Ethernet wants good queues */        
         dev->flags              = IFF_BROADCAST|IFF_MULTICAST;