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batman-adv: Place kref_get for neigh_ifinfo near use

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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>
This commit is contained in:
Sven Eckelmann 2016-07-15 17:39:19 +02:00 committed by Simon Wunderlich
parent 23f5548559
commit 2e774ac2f7
1 changed files with 1 additions and 1 deletions
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2
net/batman-adv/originator.c
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@ -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: