diff options
Diffstat (limited to 'net/netfilter/x_tables.c')
| -rw-r--r-- | net/netfilter/x_tables.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index d1d29015d91f..9c38627e09ea 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -1187,6 +1187,21 @@ static int xt_jumpstack_alloc(struct xt_table_info *i) return 0; } +struct xt_counters *xt_counters_alloc(unsigned int counters) +{ + struct xt_counters *mem; + + if (counters == 0 || counters > INT_MAX / sizeof(*mem)) + return NULL; + + counters *= sizeof(*mem); + if (counters > XT_MAX_TABLE_SIZE) + return NULL; + + return vzalloc(counters); +} +EXPORT_SYMBOL(xt_counters_alloc); + struct xt_table_info * xt_replace_table(struct xt_table *table, unsigned int num_counters, |