[PKT_SCHED]: Kill TCF_META_ID_REALDEV from meta ematch.

It won't exist any longer when we shrink the SKB in 2.6.14,
and we should kill this off before anyone in userspace starts
using it.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Graf <tgraf@suug.ch>

include/linux/tc_ematch/tc_em_meta.h

@@ -42,7 +42,6 @@ enum
 	TCF_META_ID_LOADAVG_2,
 	TCF_META_ID_DEV,
 	TCF_META_ID_INDEV,
-	TCF_META_ID_REALDEV,
 	TCF_META_ID_PRIORITY,
 	TCF_META_ID_PROTOCOL,
 	TCF_META_ID_SECURITY, /* obsolete */

net/sched/em_meta.c

@@ -180,16 +180,6 @@ META_COLLECTOR(var_indev)
 	*err = var_dev(skb->input_dev, dst);
 }
 
-META_COLLECTOR(int_realdev)
-{
-	*err = int_dev(skb->real_dev, dst);
-}
-
-META_COLLECTOR(var_realdev)
-{
-	*err = var_dev(skb->real_dev, dst);
-}
-
 /**************************************************************************
  * skb attributes
  **************************************************************************/
@@ -501,7 +491,6 @@ static struct meta_ops __meta_ops[TCF_META_TYPE_MAX+1][TCF_META_ID_MAX+1] = {
 	[TCF_META_TYPE_VAR] = {
 		[META_ID(DEV)]			= META_FUNC(var_dev),
 		[META_ID(INDEV)]		= META_FUNC(var_indev),
-		[META_ID(REALDEV)]		= META_FUNC(var_realdev),
 		[META_ID(SK_BOUND_IF)] 		= META_FUNC(var_sk_bound_if),
 	},
 	[TCF_META_TYPE_INT] = {
@@ -511,7 +500,6 @@ static struct meta_ops __meta_ops[TCF_META_TYPE_MAX+1][TCF_META_ID_MAX+1] = {
 		[META_ID(LOADAVG_2)]		= META_FUNC(int_loadavg_2),
 		[META_ID(DEV)]			= META_FUNC(int_dev),
 		[META_ID(INDEV)]		= META_FUNC(int_indev),
-		[META_ID(REALDEV)]		= META_FUNC(int_realdev),
 		[META_ID(PRIORITY)]		= META_FUNC(int_priority),
 		[META_ID(PROTOCOL)]		= META_FUNC(int_protocol),
 		[META_ID(PKTTYPE)]		= META_FUNC(int_pkttype),