netfilter: xtables: constify args in compat copying functions

[safe/jmp/linux-2.6] / include / linux / netfilter / x_tables.h

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index a0a144a..c61758f 100644 (file)
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -286,8 +286,8 @@ struct xt_match {
        void (*destroy)(const struct xt_mtdtor_param *);
 #ifdef CONFIG_COMPAT
        /* Called when userspace align differs from kernel space one */
-       void (*compat_from_user)(void *dst, void *src);
-       int (*compat_to_user)(void __user *dst, void *src);
+       void (*compat_from_user)(void *dst, const void *src);
+       int (*compat_to_user)(void __user *dst, const void *src);
 #endif
        /* Set this to THIS_MODULE if you are a module, otherwise NULL */
        struct module *me;
@@ -328,8 +328,8 @@ struct xt_target {
        void (*destroy)(const struct xt_tgdtor_param *);
 #ifdef CONFIG_COMPAT
        /* Called when userspace align differs from kernel space one */
-       void (*compat_from_user)(void *dst, void *src);
-       int (*compat_to_user)(void __user *dst, void *src);
+       void (*compat_from_user)(void *dst, const void *src);
+       int (*compat_to_user)(void __user *dst, const void *src);
 #endif
        /* Set this to THIS_MODULE if you are a module, otherwise NULL */
        struct module *me;
@@ -593,13 +593,13 @@ extern short xt_compat_calc_jump(u_int8_t af, unsigned int offset);
 extern int xt_compat_match_offset(const struct xt_match *match);
 extern int xt_compat_match_from_user(struct xt_entry_match *m,
                                     void **dstptr, unsigned int *size);
-extern int xt_compat_match_to_user(struct xt_entry_match *m,
+extern int xt_compat_match_to_user(const struct xt_entry_match *m,
                                   void __user **dstptr, unsigned int *size);
 
 extern int xt_compat_target_offset(const struct xt_target *target);
 extern void xt_compat_target_from_user(struct xt_entry_target *t,
                                       void **dstptr, unsigned int *size);
-extern int xt_compat_target_to_user(struct xt_entry_target *t,
+extern int xt_compat_target_to_user(const struct xt_entry_target *t,
                                    void __user **dstptr, unsigned int *size);
 
 #endif /* CONFIG_COMPAT */