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Diffstat (limited to 'net/batman-adv/hash.h')
-rw-r--r--net/batman-adv/hash.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h
index 434822b27473..dd5c9fd7a905 100644
--- a/net/batman-adv/hash.h
+++ b/net/batman-adv/hash.h
@@ -28,12 +28,12 @@
* compare 2 element datas for their keys,
* return 0 if same and not 0 if not
* same */
-typedef int (*hashdata_compare_cb)(struct hlist_node *, void *);
+typedef int (*hashdata_compare_cb)(const struct hlist_node *, const void *);
/* the hashfunction, should return an index
* based on the key in the data of the first
* argument and the size the second */
-typedef int (*hashdata_choose_cb)(void *, int);
+typedef int (*hashdata_choose_cb)(const void *, int);
typedef void (*hashdata_free_cb)(struct hlist_node *, void *);
struct hashtable_t {
@@ -80,7 +80,7 @@ static inline void hash_delete(struct hashtable_t *hash,
static inline int hash_add(struct hashtable_t *hash,
hashdata_compare_cb compare,
hashdata_choose_cb choose,
- void *data, struct hlist_node *data_node)
+ const void *data, struct hlist_node *data_node)
{
int index;
struct hlist_head *head;