batman-adv: Place kref_get for neigh_node near use
It is hard to understand why the refcnt is increased when it isn't done
near the actual place the new reference is used. So using kref_get right
before the place which requires the reference and in the same function
helps to avoid accidental problems caused by incorrect reference counting.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 5e99a6e..0792de8 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -654,8 +654,8 @@
/* extra reference for return */
kref_init(&neigh_node->refcount);
- kref_get(&neigh_node->refcount);
+ kref_get(&neigh_node->refcount);
hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list);
batadv_dbg(BATADV_DBG_BATMAN, orig_node->bat_priv,