batman-adv: use the const qualifier in hash functions

The data argument in each hash function should carry the
"const" qualifier as it is never modified.

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h
index e05333905afd..ea0214824327 100644
--- a/net/batman-adv/hash.h
+++ b/net/batman-adv/hash.h
@@ -89,7 +89,7 @@ static inline void batadv_hash_delete(struct batadv_hashtable *hash,
  *
  *      Returns the new hash value.
  */
-static inline uint32_t batadv_hash_bytes(uint32_t hash, void *data,
+static inline uint32_t batadv_hash_bytes(uint32_t hash, const void *data,
                                          uint32_t size)
 {
         const unsigned char *key = data;