openvswitch: Clarify locking.

Remove unnecessary locking from functions that are always called with
appropriate locking.

Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Thomas Graf <tgraf@redhat.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 6d8d2da0a8ec..1019fc1db06e 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -122,6 +122,7 @@ unlock:
         spin_unlock(&stats->lock);
 }
 
+/* Called with ovs_mutex. */
 void ovs_flow_stats_get(struct sw_flow *flow, struct ovs_flow_stats *ovs_stats,
                         unsigned long *used, __be16 *tcp_flags)
 {
@@ -132,7 +133,7 @@ void ovs_flow_stats_get(struct sw_flow *flow, struct ovs_flow_stats *ovs_stats,
         memset(ovs_stats, 0, sizeof(*ovs_stats));
 
         for_each_node(node) {
-                struct flow_stats *stats = rcu_dereference(flow->stats[node]);
+                struct flow_stats *stats = ovsl_dereference(flow->stats[node]);
 
                 if (stats) {
                         /* Local CPU may write on non-local stats, so we must