genetlink: allow making ops const

Allow making the ops array const by not modifying the ops
flags on registration but rather only when ops are sent
out in the family information.

No users are updated yet except for the pre_doit/post_doit
calls in wireless (the only ones that exist now.)

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 5 deletions

diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index d4802af1a8b3..d87486aa0611 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -52,14 +52,14 @@ struct genl_family {
         unsigned int            maxattr;
         bool                    netnsok;
         bool                    parallel_ops;
-        int                     (*pre_doit)(struct genl_ops *ops,
+        int                     (*pre_doit)(const struct genl_ops *ops,
                                             struct sk_buff *skb,
                                             struct genl_info *info);
-        void                    (*post_doit)(struct genl_ops *ops,
+        void                    (*post_doit)(const struct genl_ops *ops,
                                              struct sk_buff *skb,
                                              struct genl_info *info);
         struct nlattr **        attrbuf;        /* private */
-        struct genl_ops *       ops;            /* private */
+        const struct genl_ops * ops;            /* private */
         unsigned int            n_ops;          /* private */
         struct list_head        family_list;    /* private */
         struct list_head        mcast_groups;   /* private */
@@ -132,10 +132,10 @@ static inline int genl_register_family(struct genl_family *family)
 }
 
 int __genl_register_family_with_ops(struct genl_family *family,
-                                    struct genl_ops *ops, size_t n_ops);
+                                    const struct genl_ops *ops, size_t n_ops);
 
 static inline int genl_register_family_with_ops(struct genl_family *family,
-        struct genl_ops *ops, size_t n_ops)
+        const struct genl_ops *ops, size_t n_ops)
 {
         family->module = THIS_MODULE;
         return __genl_register_family_with_ops(family, ops, n_ops);