From: Sven Eckelmann Date: Fri, 15 Jul 2016 15:39:19 +0000 (+0200) Subject: batman-adv: Place kref_get for neigh_ifinfo near use X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2e774ac2f7ad4a7fb4289b7aacd9709bf3e2f991;p=linux-beck.git batman-adv: Place kref_get for neigh_ifinfo 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 88289645f3c9..5e99a6e296e6 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -460,9 +460,9 @@ batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh, INIT_HLIST_NODE(&neigh_ifinfo->list); kref_init(&neigh_ifinfo->refcount); - kref_get(&neigh_ifinfo->refcount); neigh_ifinfo->if_outgoing = if_outgoing; + kref_get(&neigh_ifinfo->refcount); hlist_add_head_rcu(&neigh_ifinfo->list, &neigh->ifinfo_list); out: