net: constify net_ns_type_operations

This can be const.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/netdevice.h

@@ -4028,7 +4028,7 @@ static inline void netdev_class_remove_file(const struct class_attribute *class_
 	netdev_class_remove_file_ns(class_attr, NULL);
 }
 
-extern struct kobj_ns_type_operations net_ns_type_operations;
+extern const struct kobj_ns_type_operations net_ns_type_operations;
 
 const char *netdev_drivername(const struct net_device *dev);
 

net/core/net-sysfs.c

@@ -1461,7 +1461,7 @@ static const void *net_netlink_ns(struct sock *sk)
 	return sock_net(sk);
 }
 
-struct kobj_ns_type_operations net_ns_type_operations = {
+const struct kobj_ns_type_operations net_ns_type_operations = {
 	.type = KOBJ_NS_TYPE_NET,
 	.current_may_mount = net_current_may_mount,
 	.grab_current_ns = net_grab_current_ns,