--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -47,6 +47,7 @@
 #define COUNTER_BASE(c, n, cpu) ((struct ebt_counter *)(((char *)c) + \
                                 COUNTER_OFFSET(n) * cpu))
 
+/* no additional changes introduced here */
 
 
 static DEFINE_MUTEX(ebt_mutex);