tree b4498c776c28e5c87cdeebf17577d002bcd21d47
parent 2472d7613bd3bae40a7dc75539c0858d5b9e795a
author Eyal Birger <eyal.birger@gmail.com> 1425214709 +0200
committer David S. Miller <davem@davemloft.net> 1425273570 -0500

net: use common macro for assering skb->cb[] available size in protocol families

As part of an effort to move skb->dropcount to skb->cb[] use a common
macro in protocol families using skb->cb[] for ancillary data to
validate available room in skb->cb[].

Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>