Merge branch 'master' of github.com:davem330/net
[linux-2.6.git] / net / core / dev.c
index 4b9981c..bf49a47 100644 (file)
@@ -1517,6 +1517,14 @@ static inline bool is_skb_forwardable(struct net_device *dev,
  */
 int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
 {
+       if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+               if (skb_copy_ubufs(skb, GFP_ATOMIC)) {
+                       atomic_long_inc(&dev->rx_dropped);
+                       kfree_skb(skb);
+                       return NET_RX_DROP;
+               }
+       }
+
        skb_orphan(skb);
        nf_reset(skb);