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Fix prefix-map build code logic.

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This commit is contained in:
Simon Kelley
2012-03-08 13:24:17 +00:00
parent 3803437dcc
commit e25d1a2ea2
1 changed files with 8 additions and 4 deletions
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12
src/radv.c
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@@ -443,10 +443,13 @@ static int add_subnet(struct in6_addr *local, int prefix,
is_same_net6(local, &context->end6, prefix))
{
for (map = *subnets; map; map = map->next)
if (map->iface == 0)
if (map->iface == 0 ||
(map->iface == if_index && is_same_net6(local, &map->subnet, prefix)))
break;
else if (map->iface == if_index && is_same_net6(local, &map->subnet, prefix))
continue;
/* It's there already */
if (map && map->iface != 0)
continue;
if (!map && (map = whine_malloc(sizeof(struct subnet_map))))
{
@@ -478,9 +481,10 @@ struct subnet_map *build_subnet_map(void)
if ((context->flags & CONTEXT_RA_NAME))
break;
/* no ra-names, no need to go further. */
if (!context)
return NULL;
/* mark unused */
for (map = subnets; map; map = map->next)
map->iface = 0;