From: Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>
The destroy function must take into account that resizing doesn't
create new extensions so those cannot be destroyed at resize.
Signed-off-by: Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>
---
net/netfilter/ipset/ip_set_hash_gen.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index 6efb655..1cffeb9 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -393,7 +393,7 @@ mtype_flush(struct ip_set *set)
/* Destroy the hashtable part of the set */
static void
-mtype_ahash_destroy(struct ip_set *set, struct htable *t)
+mtype_ahash_destroy(struct ip_set *set, struct htable *t, bool ext_destroy)
{
struct hbucket *n;
u32 i;
@@ -401,7 +401,7 @@ mtype_ahash_destroy(struct ip_set *set, struct htable *t)
for (i = 0; i < jhash_size(t->htable_bits); i++) {
n = hbucket(t, i);
if (n->size) {
- if (set->extensions & IPSET_EXT_DESTROY)
+ if (set->extensions & IPSET_EXT_DESTROY && ext_destroy)
mtype_ext_cleanup(set, n);
/* FIXME: use slab cache */
kfree(n->value);
@@ -420,7 +420,7 @@ mtype_destroy(struct ip_set *set)
if (set->extensions & IPSET_EXT_TIMEOUT)
del_timer_sync(&h->gc);
- mtype_ahash_destroy(set, rcu_dereference_bh_nfnl(h->table));
+ mtype_ahash_destroy(set, rcu_dereference_bh_nfnl(h->table), true);
#ifdef IP_SET_HASH_WITH_RBTREE
rbtree_destroy(&h->rbtree);
#endif
@@ -586,7 +586,7 @@ retry:
mtype_data_reset_flags(data, &flags);
#endif
read_unlock_bh(&set->lock);
- mtype_ahash_destroy(set, t);
+ mtype_ahash_destroy(set, t, false);
if (ret == -EAGAIN)
goto retry;
return ret;
@@ -607,7 +607,7 @@ retry:
pr_debug("set %s resized from %u (%p) to %u (%p)\n", set->name,
orig->htable_bits, orig, t->htable_bits, t);
- mtype_ahash_destroy(set, orig);
+ mtype_ahash_destroy(set, orig, false);
return 0;
}
--
1.7.10.4
--
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