batman-adv: Convert batadv_dat_entry to kref
batman-adv uses a self-written reference implementation which is just based
on atomic_t. This is less obvious when reading the code than kref and
therefore increases the change that the reference counting will be missed.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index b3d9b5b..9df8f39 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -1230,7 +1230,7 @@
unsigned short vid;
unsigned long last_update;
struct hlist_node hash_entry;
- atomic_t refcount;
+ struct kref refcount;
struct rcu_head rcu;
};