meter.c: Use built-in RCU list checking

hlist_for_each_entry_rcu() has built-in RCU and lock checking.

Pass cond argument to list_for_each_entry_rcu() to silence
false lockdep warning when CONFIG_PROVE_RCU_LIST is enabled
by default.

Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
index 3323b79ff548dfbf7842b3ac3b825b7d0f7dcfde..5010d1ddd4bdb1f8b5fd34dbc97c7b3803552563 100644 (file)
--- a/net/openvswitch/meter.c
+++ b/net/openvswitch/meter.c
@@ -61,7 +61,8 @@ static struct dp_meter *lookup_meter(const struct datapath *dp,
        struct hlist_head *head;
 
        head = meter_hash_bucket(dp, meter_id);
-       hlist_for_each_entry_rcu(meter, head, dp_hash_node) {
+       hlist_for_each_entry_rcu(meter, head, dp_hash_node,
+                               lockdep_ovsl_is_held()) {
                if (meter->id == meter_id)
                        return meter;
        }