--- zzzz-none-000/linux-2.6.32.61/include/net/genetlink.h	2013-06-10 09:43:48.000000000 +0000
+++ ar9-7330-650/linux-2.6.32.61/include/net/genetlink.h	2013-06-18 08:58:42.000000000 +0000
@@ -302,5 +302,8 @@
 	return nlmsg_new(genlmsg_total_size(payload), flags);
 }
 
+/* All generic netlink requests are serialized by a global lock.  */
+extern void genl_lock(void);
+extern void genl_unlock(void);
 
 #endif	/* __NET_GENERIC_NETLINK_H */