1 files changed, 4 insertions, 0 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index c01511e3d0c1..9066c874e273 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -574,6 +574,8 @@ struct net_device *dev_getbyhwaddr(unsigned short type, char *ha)
         return dev;
 }
 
+EXPORT_SYMBOL(dev_getbyhwaddr);
+
 struct net_device *dev_getfirstbyhwtype(unsigned short type)
 {
         struct net_device *dev;
@@ -1257,6 +1259,8 @@ int dev_queue_xmit(struct sk_buff *skb)
                 if (skb_checksum_help(skb, 0))
                         goto out_kfree_skb;
 
+        spin_lock_prefetch(&dev->queue_lock);
+
         /* Disable soft irqs for various locks below. Also 
          * stops preemption for RCU. 
          */