[NET_SCHED]: Constify struct tcf_ext_map

Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/pkt_cls.h

@@ -131,14 +131,14 @@ tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts,
 
 extern int tcf_exts_validate(struct tcf_proto *tp, struct nlattr **tb,
 	                     struct nlattr *rate_tlv, struct tcf_exts *exts,
-	                     struct tcf_ext_map *map);
+	                     const struct tcf_ext_map *map);
 extern void tcf_exts_destroy(struct tcf_proto *tp, struct tcf_exts *exts);
 extern void tcf_exts_change(struct tcf_proto *tp, struct tcf_exts *dst,
 	                     struct tcf_exts *src);
 extern int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts,
-	                 struct tcf_ext_map *map);
+	                 const struct tcf_ext_map *map);
 extern int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts,
-	                       struct tcf_ext_map *map);
+	                       const struct tcf_ext_map *map);
 
 /**
  * struct tcf_pkt_info - packet information

net/sched/cls_api.c

@@ -482,7 +482,7 @@ EXPORT_SYMBOL(tcf_exts_destroy);
 
 int tcf_exts_validate(struct tcf_proto *tp, struct nlattr **tb,
 		  struct nlattr *rate_tlv, struct tcf_exts *exts,
-		  struct tcf_ext_map *map)
+		  const struct tcf_ext_map *map)
 {
 	memset(exts, 0, sizeof(*exts));
 
@@ -535,7 +535,7 @@ void tcf_exts_change(struct tcf_proto *tp, struct tcf_exts *dst,
 EXPORT_SYMBOL(tcf_exts_change);
 
 int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts,
-	      struct tcf_ext_map *map)
+		  const struct tcf_ext_map *map)
 {
 #ifdef CONFIG_NET_CLS_ACT
 	if (map->action && exts->action) {
@@ -571,7 +571,7 @@ EXPORT_SYMBOL(tcf_exts_dump);
 
 
 int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts,
-			struct tcf_ext_map *map)
+			const struct tcf_ext_map *map)
 {
 #ifdef CONFIG_NET_CLS_ACT
 	if (exts->action)

net/sched/cls_basic.c

@@ -35,7 +35,7 @@ struct basic_filter
 	struct list_head	link;
 };
 
-static struct tcf_ext_map basic_ext_map = {
+static const struct tcf_ext_map basic_ext_map = {
 	.action = TCA_BASIC_ACT,
 	.police = TCA_BASIC_POLICE
 };

net/sched/cls_fw.c

@@ -47,7 +47,7 @@ struct fw_filter
 	struct tcf_exts		exts;
 };
 
-static struct tcf_ext_map fw_ext_map = {
+static const struct tcf_ext_map fw_ext_map = {
 	.action = TCA_FW_ACT,
 	.police = TCA_FW_POLICE
 };

net/sched/cls_route.c

@@ -62,7 +62,7 @@ struct route4_filter
 
 #define ROUTE4_FAILURE ((struct route4_filter*)(-1L))
 
-static struct tcf_ext_map route_ext_map = {
+static const struct tcf_ext_map route_ext_map = {
 	.police = TCA_ROUTE4_POLICE,
 	.action = TCA_ROUTE4_ACT
 };

net/sched/cls_tcindex.c

@@ -55,7 +55,7 @@ struct tcindex_data {
 	int fall_through;	/* 0: only classify if explicit match */
 };
 
-static struct tcf_ext_map tcindex_ext_map = {
+static const struct tcf_ext_map tcindex_ext_map = {
 	.police = TCA_TCINDEX_POLICE,
 	.action = TCA_TCINDEX_ACT
 };

net/sched/cls_u32.c

@@ -82,7 +82,7 @@ struct tc_u_common
 	u32			hgenerator;
 };
 
-static struct tcf_ext_map u32_ext_map = {
+static const struct tcf_ext_map u32_ext_map = {
 	.action = TCA_U32_ACT,
 	.police = TCA_U32_POLICE
 };