#define vlan_proc_init() (0)
#define vlan_proc_cleanup() do {} while(0)
-#define vlan_proc_add_dev(dev) ((void)(dev), 0)
-#define vlan_proc_rem_dev(dev) ((void)(dev), 0)
+#define vlan_proc_add_dev(dev) ({(void)(dev), 0;})
+#define vlan_proc_rem_dev(dev) ({(void)(dev), 0;})
#endif