diff options
Diffstat (limited to 'net/bridge/netfilter/ebtables.c')
| -rw-r--r-- | net/bridge/netfilter/ebtables.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index f2dbefb61ce8..ce5dfa3babd2 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1040,9 +1040,10 @@ static int do_replace_finish(struct net *net, struct ebt_replace *repl, goto free_iterate; } - /* the table doesn't like it */ - if (t->check && (ret = t->check(newinfo, repl->valid_hooks))) + if (repl->valid_hooks != t->valid_hooks) { + ret = -EINVAL; goto free_unlock; + } if (repl->num_counters && repl->num_counters != t->private->nentries) { ret = -EINVAL; @@ -1231,11 +1232,6 @@ int ebt_register_table(struct net *net, const struct ebt_table *input_table, if (ret != 0) goto free_chainstack; - if (table->check && table->check(newinfo, table->valid_hooks)) { - ret = -EINVAL; - goto free_chainstack; - } - table->private = newinfo; rwlock_init(&table->lock); mutex_lock(&ebt_mutex); @@ -1446,7 +1442,7 @@ static inline int ebt_obj_to_user(char __user *um, const char *_name, /* ebtables expects 31 bytes long names but xt_match names are 29 bytes * long. Copy 29 bytes and fill remaining bytes with zeroes. */ - strlcpy(name, _name, sizeof(name)); + strscpy(name, _name, sizeof(name)); if (copy_to_user(um, name, EBT_EXTENSION_MAXNAMELEN) || put_user(revision, (u8 __user *)(um + EBT_EXTENSION_MAXNAMELEN)) || put_user(datasize, (int __user *)(um + EBT_EXTENSION_MAXNAMELEN + 1)) || |