netfilter: x_tables: add and use xt_check_entry_offsets

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / netfilter / x_tables.h

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index dd49566315c616f1d4db4cba47ee1dc9ecaefa26..6da5c8275e942228ab410ee007104c759731d26a 100644 (file)
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -239,6 +239,10 @@ extern void xt_unregister_match(struct xt_match *target);
 extern int xt_register_matches(struct xt_match *match, unsigned int n);
 extern void xt_unregister_matches(struct xt_match *match, unsigned int n);
 
+int xt_check_entry_offsets(const void *base,
+                           unsigned int target_offset,
+                           unsigned int next_offset);
+
 extern int xt_check_match(struct xt_mtchk_param *,
                          unsigned int size, u_int8_t proto, bool inv_proto);
 extern int xt_check_target(struct xt_tgchk_param *,