diff options
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 88f9c94..c352614 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -430,9 +430,14 @@ static int nf_tables_newtable(struct sock *nlsk, struct sk_buff *skb, return -EINVAL; } + if (!try_module_get(afi->owner)) + return -EAFNOSUPPORT; + table = kzalloc(sizeof(*table) + nla_len(name), GFP_KERNEL); - if (table == NULL) + if (table == NULL) { + module_put(afi->owner); return -ENOMEM; + } nla_strlcpy(table->name, name, nla_len(name)); INIT_LIST_HEAD(&table->chains); @@ -468,6 +473,7 @@ static int nf_tables_deltable(struct sock *nlsk, struct sk_buff *skb, list_del(&table->list); nf_tables_table_notify(skb, nlh, table, NFT_MSG_DELTABLE, family); kfree(table); + module_put(afi->owner); return 0; } |
