diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index 8ec48466410a..b2eec7de5280 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -322,6 +322,7 @@ struct xt_target *xt_request_find_target(u8 af, const char *name, u8 revision); int xt_find_revision(u8 af, const char *name, u8 revision, int target, int *err); +struct xt_table *xt_find_table(struct net *net, u8 af, const char *name); struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af, const char *name); struct xt_table *xt_request_find_table_lock(struct net *net, u_int8_t af, diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index b7f8d2ed3cc2..1caba9507228 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -1199,6 +1199,23 @@ void xt_free_table_info(struct xt_table_info *info) } EXPORT_SYMBOL(xt_free_table_info); +struct xt_table *xt_find_table(struct net *net, u8 af, const char *name) +{ + struct xt_pernet *xt_net = net_generic(net, xt_pernet_id); + struct xt_table *t; + + mutex_lock(&xt[af].mutex); + list_for_each_entry(t, &xt_net->tables[af], list) { + if (strcmp(t->name, name) == 0) { + mutex_unlock(&xt[af].mutex); + return t; + } + } + mutex_unlock(&xt[af].mutex); + return NULL; +} +EXPORT_SYMBOL(xt_find_table); + /* Find table by name, grabs mutex & ref. Returns ERR_PTR on error. */ struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af, const char *name)