Commit b8a7d12f authored Apr 28, 2015 by Subash Abhinov Kasiviswanathan Committed by Matt Wagantall May 30, 2015

net: Warn for cloned packets in ingress path



Cloned packets arriving in ingress path can cause issues with GRO
since the skb shared info is garbled.

Warn once if a cloned packet is queued up to the network stack.

CRs-Fixed: 823275
Change-Id: I049f04f39b3d1338838560e08c93a973de427fc0
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>

parent 57f13be5

net/core/dev.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -3337,6 +3337,9 @@ static int netif_rx_internal(struct sk_buff *skb)
		{
		int ret;

		WARN_ONCE(skb_cloned(skb), "Cloned packet from dev %s\n",
		skb->dev->name);

		net_timestamp_check(netdev_tstamp_prequeue, skb);

		trace_netif_rx(skb);