Merge branch 'constify-nla_policy'

Stephen Hemminger says:

====================
constify nla_policy

Almost all places that use nla_policy declare it const.
A couple of drivers didn't but that is fixable.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/block/nbd.c

@@ -1571,7 +1571,7 @@ static int find_free_cb(int id, void *ptr, void *data)
 }
 
 /* Netlink interface. */
-static struct nla_policy nbd_attr_policy[NBD_ATTR_MAX + 1] = {
+static const struct nla_policy nbd_attr_policy[NBD_ATTR_MAX + 1] = {
 	[NBD_ATTR_INDEX]		=	{ .type = NLA_U32 },
 	[NBD_ATTR_SIZE_BYTES]		=	{ .type = NLA_U64 },
 	[NBD_ATTR_BLOCK_SIZE_BYTES]	=	{ .type = NLA_U64 },
@@ -1583,14 +1583,14 @@ static struct nla_policy nbd_attr_policy[NBD_ATTR_MAX + 1] = {
 	[NBD_ATTR_DEVICE_LIST]		=	{ .type = NLA_NESTED},
 };
 
-static struct nla_policy nbd_sock_policy[NBD_SOCK_MAX + 1] = {
+static const struct nla_policy nbd_sock_policy[NBD_SOCK_MAX + 1] = {
 	[NBD_SOCK_FD]			=	{ .type = NLA_U32 },
 };
 
 /* We don't use this right now since we don't parse the incoming list, but we
  * still want it here so userspace knows what to expect.
  */
-static struct nla_policy __attribute__((unused))
+static const struct nla_policy __attribute__((unused))
 nbd_device_policy[NBD_DEVICE_ATTR_MAX + 1] = {
 	[NBD_DEVICE_INDEX]		=	{ .type = NLA_U32 },
 	[NBD_DEVICE_CONNECTED]		=	{ .type = NLA_U8 },

drivers/net/gtp.c

@@ -1255,7 +1255,7 @@ static int gtp_genl_dump_pdp(struct sk_buff *skb,
 	return skb->len;
 }
 
-static struct nla_policy gtp_genl_policy[GTPA_MAX + 1] = {
+static const struct nla_policy gtp_genl_policy[GTPA_MAX + 1] = {
 	[GTPA_LINK]		= { .type = NLA_U32, },
 	[GTPA_VERSION]		= { .type = NLA_U32, },
 	[GTPA_TID]		= { .type = NLA_U64, },