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mac80211: fix mpath timer NULL function

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If we have an mpath whose timer has not been initialized, don't try to
delete it.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona 2011-08-09 16:45:05 -07:00 committed by John W. Linville
parent 7646887a53
commit 86d7f9f35d
1 changed files with 4 additions and 2 deletions
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2
net/mac80211/mesh_pathtbl.c
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@ -619,6 +619,7 @@ static void mesh_path_node_reclaim(struct rcu_head *rp)
struct mpath_node *node = container_of(rp, struct mpath_node, rcu);
struct ieee80211_sub_if_data *sdata = node->mpath->sdata;
if (node->mpath->timer.function)
del_timer_sync(&node->mpath->timer);
atomic_dec(&sdata->u.mesh.mpaths);
kfree(node->mpath);
@ -768,6 +769,7 @@ static void mesh_path_node_free(struct hlist_node *p, bool free_leafs)
mpath = node->mpath;
hlist_del_rcu(p);
if (free_leafs) {
if (mpath->timer.function)
del_timer_sync(&mpath->timer);
kfree(mpath);
}