existing record is for an A or AAAA and
the record we're trying to insert is the same,
just drop the insert, but don't error the whole process. */
- if ((flags & (F_IPV4 | F_IPV6)) && (flags & F_FORWARD))
+ if ((flags & (F_IPV4 | F_IPV6)) && (flags & F_FORWARD) && addr)
{
if ((flags & F_IPV4) && (new->flags & F_IPV4) &&
new->addr.addr.addr.addr4.s_addr == addr->addr.addr4.s_addr)