nl802154: make ieee802154_policy constant

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/nl802154.h

@@ -69,7 +69,7 @@ enum {
 
 #define IEEE802154_ATTR_MAX (__IEEE802154_ATTR_MAX - 1)
 
-extern struct nla_policy ieee802154_policy[];
+extern const struct nla_policy ieee802154_policy[];
 
 /* commands */
 /* REQ should be responded with CONF

net/ieee802154/nl_policy.c

@@ -24,7 +24,7 @@
 
 #define NLA_HW_ADDR NLA_U64
 
-struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
+const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
 	[IEEE802154_ATTR_DEV_NAME] = { .type = NLA_STRING, },
 	[IEEE802154_ATTR_DEV_INDEX] = { .type = NLA_U32, },
 
@@ -50,3 +50,4 @@ struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
 	[IEEE802154_ATTR_DURATION] = { .type = NLA_U8, },
 	[IEEE802154_ATTR_ED_LIST] = { .len = 27 },
 };
+