From fceea562fea9903d29220ff9e61ca5372a529006 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 26 Jan 2012 21:23:50 +0000
Subject: [PATCH] -fix mask calculation

---
 src/vpn/gnunet-service-vpn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vpn/gnunet-service-vpn.c b/src/vpn/gnunet-service-vpn.c
index 58c7f5257..fbfd6e7f5 100644
--- a/src/vpn/gnunet-service-vpn.c
+++ b/src/vpn/gnunet-service-vpn.c
@@ -2377,7 +2377,7 @@ allocate_v6_address (struct in6_addr *v6)
   /* Given ABCD::/96, we want a mask of 'ABCD::FFFF:FFFF,
      thus: */
   mask = addr;
-  for (i=127;i>=128-ipv6prefix;i--)
+  for (i=127;i>=ipv6prefix;i--)
     mask.s6_addr[i / 8] |= (1 << (i % 8));
   
   /* Pick random IPv6 address within the subnet, except 'addr' or 'mask' itself */
-- 
2.25.1