[PATCH 2/5] ipv4: Kill ip_route_input_noref().

The "noref" argument to ip_route_input_common() is now always ignored
because we do not cache routes, and in that case we must always grab
a reference to the resulting 'dst'.

Signed-off-by: David S. Miller <davem <at> davemloft.net>
---
 include/net/route.h    |   16 ++--------------
 net/ipv4/arp.c         |    2 +-
 net/ipv4/ip_fragment.c |    4 ++--
 net/ipv4/ip_input.c    |    4 ++--
 net/ipv4/route.c       |    6 +++---
 net/ipv4/xfrm4_input.c |    4 ++--
 6 files changed, 12 insertions(+), 24 deletions(-)

diff --git a/include/net/route.h b/include/net/route.h
index 23d8026..04c1b7f 100644
--- a/include/net/route.h
+++ b/include/net/route.h
 <at>  <at>  -198,20 +198,8  <at>  <at>  static inline struct rtable *ip_route_output_gre(struct net *net, struct flowi4
 	return ip_route_output_key(net, fl4);
 }

-extern int ip_route_input_common(struct sk_buff *skb, __be32 dst, __be32 src,
-				 u8 tos, struct net_device *devin, bool noref);
-
-static inline int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src,
-				 u8 tos, struct net_device *devin)
-{
-	return ip_route_input_common(skb, dst, src, tos, devin, false);