Commit a13861a2 authored Dec 21, 2011 by Eric Dumazet Committed by David S. Miller Dec 22, 2011

bridge: provide a mtu() method for fake_dst_ops



Commit 618f9bc7 (net: Move mtu handling down to the protocol
depended handlers) forgot the bridge netfilter case, adding a NULL
dereference in ip_fragment().

Reported-by: Chris Boot <bootc@bootc.net>
CC: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent b3b1b70e

net/bridge/br_netfilter.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -114,12 +114,18 @@ static struct neighbour fake_neigh_lookup(const struct dst_entry dst, const vo
		return NULL;
		}

		static unsigned int fake_mtu(const struct dst_entry *dst)
		{
		return dst->dev->mtu;
		}

		static struct dst_ops fake_dst_ops = {
		.family = AF_INET,
		.protocol = cpu_to_be16(ETH_P_IP),
		.update_pmtu = fake_update_pmtu,
		.cow_metrics = fake_cow_metrics,
		.neigh_lookup = fake_neigh_lookup,
		.mtu = fake_mtu,
		};

		/*