Commit d52fbfc9 authored Aug 07, 2011 by Julian Anastasov Committed by David S. Miller Aug 07, 2011

ipv4: use dst with ref during bcast/mcast loopback



Make sure skb dst has reference when moving to
another context. Currently, I don't see protocols that can
hit it when sending broadcasts/multicasts to loopback using
noref dsts, so it is just a precaution.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 47670b76

net/ipv4/ip_output.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -122,6 +122,7 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb)
		newskb->pkt_type = PACKET_LOOPBACK;
		newskb->ip_summed = CHECKSUM_UNNECESSARY;
		WARN_ON(!skb_dst(newskb));
		skb_dst_force(newskb);
		netif_rx_ni(newskb);
		return 0;
		}