From e917563612e5d8ad3a80efa5f43e654be50fe82f Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Fri, 1 Apr 2016 15:37:59 +0200 Subject: netfilter: x_tables: introduce and use xt_copy_counters_from_user commit d7591f0c41ce3e67600a982bab6989ef0f07b3ce upstream. The three variants use same copy&pasted code, condense this into a helper and use that. Make sure info.name is 0-terminated. Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- include/linux/netfilter/x_tables.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/linux') diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index 67de5ac4029b..04078e8a4803 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -248,6 +248,9 @@ int xt_check_match(struct xt_mtchk_param *, unsigned int size, u_int8_t proto, int xt_check_target(struct xt_tgchk_param *, unsigned int size, u_int8_t proto, bool inv_proto); +void *xt_copy_counters_from_user(const void __user *user, unsigned int len, + struct xt_counters_info *info, bool compat); + struct xt_table *xt_register_table(struct net *net, const struct xt_table *table, struct xt_table_info *bootstrap, -- cgit v1.2.3