From: Sven Eckelmann Date: Fri, 15 Jul 2016 15:39:20 +0000 (+0200) Subject: batman-adv: Place kref_get for neigh_node near use X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8427445886d23729cc41305cef580605202f01db;p=linux-beck.git 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 Signed-off-by: Marek Lindner Signed-off-by: Simon Wunderlich --- diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 5e99a6e296e6..0792de869f4e 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -654,8 +654,8 @@ batadv_neigh_node_create(struct batadv_orig_node *orig_node, /* 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,