xen-netfront: be more drop monitor friendly
xennet_start_xmit() might copy skb with inappropriate layout
into a fresh one.
Old skb is freed, and at this point it is not a drop, but
a consume. New skb will then be either consumed or dropped.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 7b61adb..523387e 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -611,7 +611,7 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev)
nskb = skb_copy(skb, GFP_ATOMIC);
if (!nskb)
goto drop;
- dev_kfree_skb_any(skb);
+ dev_consume_skb_any(skb);
skb = nskb;
page = virt_to_page(skb->data);
offset = offset_in_page(skb->data);