bridge: Pull ip header into skb->data before looking into ip header.
authorSarveshwar Bandi <sarveshwar.bandi@emulex.com>
Wed, 10 Oct 2012 01:15:01 +0000 (01:15 +0000)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 20 Feb 2013 03:15:39 +0000 (03:15 +0000)
commit335c3391c34f5a607ca63d606f9b2d9f747bab4a
tree9d8a4a139d87e9fabad2f3c7eba91f5fde207ac0
parentf507e6ef54020383b4012778606f84b1e22f4667
bridge: Pull ip header into skb->data before looking into ip header.

[ Upstream commit 6caab7b0544e83e6c160b5e80f5a4a7dd69545c7 ]

If lower layer driver leaves the ip header in the skb fragment, it needs to
be first pulled into skb->data before inspecting ip header length or ip version
number.

Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
net/bridge/br_netfilter.c