[NET]: Micro optimization in eth_header()

Signed-off-by: Denis Vlasenko <vda@ilport.com.ua>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 4 deletions

diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 6617ea47d365..ab60ea63688e 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -92,10 +92,9 @@ int eth_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
          *      Set the source hardware address. 
          */
          
-        if(saddr)
-                memcpy(eth->h_source,saddr,dev->addr_len);
-        else
-                memcpy(eth->h_source,dev->dev_addr,dev->addr_len);
+        if(!saddr)
+                saddr = dev->dev_addr;
+        memcpy(eth->h_source,saddr,dev->addr_len);
 
         /*
          *      Anyway, the loopback-device should never use this function...