diff options
| author | /C=EU/ST=EU/CN=Jozsef Kadlecsik/emailAddress=kadlec@blackhole.kfki.hu </C=EU/ST=EU/CN=Jozsef Kadlecsik/emailAddress=kadlec@blackhole.kfki.hu> | 2008-10-21 12:09:05 +0000 |
|---|---|---|
| committer | /C=EU/ST=EU/CN=Jozsef Kadlecsik/emailAddress=kadlec@blackhole.kfki.hu </C=EU/ST=EU/CN=Jozsef Kadlecsik/emailAddress=kadlec@blackhole.kfki.hu> | 2008-10-21 12:09:05 +0000 |
| commit | b8d6cfc169bf79b72faaab6ef7940798dbfe9328 (patch) | |
| tree | 0bcc128ad3bcfdfca6849cea318e3de51673c6c6 /kernel/ip_set_ipporthash.c | |
| parent | a96e4fca10506462df4ee4035f0f86f09bd9dc34 (diff) | |
As the manpage says, zero valued set entries cannot be used with
hash type of sets. Enforce the restriction.
Diffstat (limited to 'kernel/ip_set_ipporthash.c')
| -rw-r--r-- | kernel/ip_set_ipporthash.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/ip_set_ipporthash.c b/kernel/ip_set_ipporthash.c index 1dd39c3..97b2323 100644 --- a/kernel/ip_set_ipporthash.c +++ b/kernel/ip_set_ipporthash.c @@ -39,8 +39,11 @@ ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t *elem; *hash_ip = pack_ip_port(map, ip, port); + DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u", set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip)); + if (!*hash_ip) + return UINT_MAX; for (i = 0; i < map->probes; i++) { id = jhash_ip(map, i, *hash_ip) % map->hashsize; @@ -113,6 +116,9 @@ ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip, return -ERANGE; *hash_ip = pack_ip_port(map, ip, port); + + if (!*hash_ip) + return -ERANGE; return __ipporthash_add(map, hash_ip); } |