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mac80211: Convert call_rcu() to kfree_rcu(), drop mesh_gate_node_reclaim() 

The call_rcu() in mesh_gate_del() invokes mesh_gate_node_reclaim(),
which simply calls kfree().  So convert the call_rcu() to kfree_rcu(),
allowing mesh_gate_node_reclaim() to be eliminated.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
This commit is contained in:
Paul E. McKenney 2012-01-06 17:10:37 -08:00 committed by Paul E. McKenney
parent 605b4afec8
commit ae1f18e480
1 changed files with 1 additions and 7 deletions
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8
net/mac80211/mesh_pathtbl.c
View File

@ -413,12 +413,6 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data
return NULL; return NULL;
} }
static void mesh_gate_node_reclaim(struct rcu_head *rp)
{
struct mpath_node *node = container_of(rp, struct mpath_node, rcu);
kfree(node);
}
/** /**
* mesh_path_add_gate - add the given mpath to a mesh gate to our path table * mesh_path_add_gate - add the given mpath to a mesh gate to our path table
* @mpath: gate path to add to table * @mpath: gate path to add to table
@ -479,7 +473,7 @@ static int mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath)
if (gate->mpath == mpath) { if (gate->mpath == mpath) {
spin_lock_bh(&tbl->gates_lock); spin_lock_bh(&tbl->gates_lock);
hlist_del_rcu(&gate->list); hlist_del_rcu(&gate->list);
call_rcu(&gate->rcu, mesh_gate_node_reclaim); kfree_rcu(gate, rcu);
spin_unlock_bh(&tbl->gates_lock); spin_unlock_bh(&tbl->gates_lock);
mpath->sdata->u.mesh.num_gates--; mpath->sdata->u.mesh.num_gates--;
mpath->is_gate = false; mpath->is_gate = false;