Commit 62f3250f authored Aug 30, 2017 by Eric Dumazet Committed by David S. Miller Aug 30, 2017

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>

parent 90774a93

drivers/net/xen-netfront.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);