[NETLINK]: Mark netlink policies const

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 354e800..fa97b96 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -84,7 +84,7 @@
 
 #define IPV4_DEVCONF_DFLT(attr) IPV4_DEVCONF(ipv4_devconf_dflt, attr)
 
-static struct nla_policy ifa_ipv4_policy[IFA_MAX+1] __read_mostly = {
+static const struct nla_policy ifa_ipv4_policy[IFA_MAX+1] = {
 	[IFA_LOCAL]     	= { .type = NLA_U32 },
 	[IFA_ADDRESS]   	= { .type = NLA_U32 },
 	[IFA_BROADCAST] 	= { .type = NLA_U32 },
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 9ad1f62..311d633 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -441,7 +441,7 @@
 	return -EINVAL;
 }
 
-struct nla_policy rtm_ipv4_policy[RTA_MAX+1] __read_mostly = {
+const struct nla_policy rtm_ipv4_policy[RTA_MAX+1] = {
 	[RTA_DST]		= { .type = NLA_U32 },
 	[RTA_SRC]		= { .type = NLA_U32 },
 	[RTA_IIF]		= { .type = NLA_U32 },
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 33083ad..2a94784 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -169,7 +169,7 @@
 	return NULL;
 }
 
-static struct nla_policy fib4_rule_policy[FRA_MAX+1] __read_mostly = {
+static const struct nla_policy fib4_rule_policy[FRA_MAX+1] = {
 	FRA_GENERIC_POLICY,
 	[FRA_FLOW]	= { .type = NLA_U32 },
 };