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openvswitch: Clarify locking.

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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>
This commit is contained in:
Jarno Rajahalme 2014-05-05 11:32:17 -07:00 • committed by Pravin B Shelar
parent be52c9e96a
commit bb6f9a708d
2 changed files with 9 additions and 7 deletions
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3
net/openvswitch/flow.c
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@ -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