netfilter: x_tables: introduce and use xt_copy_counters_from_user

The three variants use same copy&pasted code, condense this into a helper and use that. Make sure info.name is 0-terminated.

Florian Westphal committed 10 years ago

Commit d7591f01 parent aded9f35 files · +92 −130Browse files

Showing the changes to include/linux/netfilter (1 of 5 files). Show all

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@@ -251,6 +251,9 @@ int xt_check_match(struct xt_mtchk_param *, unsigned int size, u_int8_t proto, · 250 unmodified lines
251	int xt_check_target(struct xt_tgchk_param *, unsigned int size, u_int8_t proto,	251	int xt_check_target(struct xt_tgchk_param *, unsigned int size, u_int8_t proto,
252	bool inv_proto);	252	bool inv_proto);
253		253
		254	void xt_copy_counters_from_user(const void __user user, unsigned int len,
		255	struct xt_counters_info *info, bool compat);
		256
254	struct xt_table xt_register_table(struct net net,	257	struct xt_table xt_register_table(struct net net,
255	const struct xt_table *table,	258	const struct xt_table *table,
256	struct xt_table_info *bootstrap,	259	struct xt_table_info *bootstrap,