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batman-adv: Place kref_get for orig_node_vlan 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 17:39:16 +02:00 committed by Simon Wunderlich
parent 4c09a08b47
commit 09537d1869
1 changed files with 1 additions and 1 deletions
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2
net/batman-adv/originator.c
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@ -133,9 +133,9 @@ batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
goto out;
kref_init(&vlan->refcount);
kref_get(&vlan->refcount);
vlan->vid = vid;
kref_get(&vlan->refcount);
hlist_add_head_rcu(&vlan->list, &orig_node->vlan_list);
out: