diff -urN linux.orig/net/netsyms.c linux/net/netsyms.c
--- linux.orig/net/netsyms.c	Sun Jan 20 18:00:48 2002
+++ linux/net/netsyms.c	Sun Jan 20 18:14:45 2002
@@ -230,8 +230,6 @@
 #endif
 EXPORT_SYMBOL(br_ioctl_hook);
 
-EXPORT_SYMBOL(br_ioctl_hook);
-
 #ifdef CONFIG_NET_DIVERT
 EXPORT_SYMBOL(alloc_divert_blk);
 EXPORT_SYMBOL(free_divert_blk);