diff options
| -rw-r--r-- | ospf6d/ospf6_proto.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/ospf6d/ospf6_proto.c b/ospf6d/ospf6_proto.c index c792aa45..d011601f 100644 --- a/ospf6d/ospf6_proto.c +++ b/ospf6d/ospf6_proto.c @@ -42,11 +42,10 @@ ospf6_prefix_apply_mask (struct ospf6_prefix *op) return; } - if (index == 16) - return; - - pnt[index] &= mask; - index ++; + /* nonzero mask means no check for this byte because if it contains + * prefix bits it must be there for us to write */ + if (mask) + pnt[index++] &= mask; while (index < OSPF6_PREFIX_SPACE (op->prefix_length)) pnt[index++] = 0; |