struct list_head        ops_list;
 };
 
-extern int __genl_register_family(struct genl_family *family);
+int __genl_register_family(struct genl_family *family);
 
 static inline int genl_register_family(struct genl_family *family)
 {
        return __genl_register_family(family);
 }
 
-extern int __genl_register_family_with_ops(struct genl_family *family,
-       struct genl_ops *ops, size_t n_ops);
+int __genl_register_family_with_ops(struct genl_family *family,
+                                   struct genl_ops *ops, size_t n_ops);
 
 static inline int genl_register_family_with_ops(struct genl_family *family,
        struct genl_ops *ops, size_t n_ops)
        return __genl_register_family_with_ops(family, ops, n_ops);
 }
 
-extern int genl_unregister_family(struct genl_family *family);
-extern int genl_register_ops(struct genl_family *, struct genl_ops *ops);
-extern int genl_unregister_ops(struct genl_family *, struct genl_ops *ops);
-extern int genl_register_mc_group(struct genl_family *family,
-                                 struct genl_multicast_group *grp);
-extern void genl_unregister_mc_group(struct genl_family *family,
-                                    struct genl_multicast_group *grp);
-extern void genl_notify(struct sk_buff *skb, struct net *net, u32 portid,
-                       u32 group, struct nlmsghdr *nlh, gfp_t flags);
+int genl_unregister_family(struct genl_family *family);
+int genl_register_ops(struct genl_family *, struct genl_ops *ops);
+int genl_unregister_ops(struct genl_family *, struct genl_ops *ops);
+int genl_register_mc_group(struct genl_family *family,
+                          struct genl_multicast_group *grp);
+void genl_unregister_mc_group(struct genl_family *family,
+                             struct genl_multicast_group *grp);
+void genl_notify(struct sk_buff *skb, struct net *net, u32 portid,
+                u32 group, struct nlmsghdr *nlh, gfp_t flags);
 
 void *genlmsg_put(struct sk_buff *skb, u32 portid, u32 seq,
-                               struct genl_family *family, int flags, u8 cmd);
+                 struct genl_family *family, int flags, u8 cmd);
 
 /**
  * genlmsg_nlhdr - Obtain netlink header from user specified header