From: Tonghao Zhang <xiangxia.m....@gmail.com>
The struct sw_flow is protected by RCU, when traversing them,
use hlist_for_each_entry_rcu.
Signed-off-by: Tonghao Zhang <xiangxia.m....@gmail.com>
---
net/openvswitch/flow_table.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c
index fd8a01c..b7b5744 100644
--- a/net/openvswitch/flow_table.c
+++ b/net/openvswitch/flow_table.c
@@ -462,12 +462,14 @@ static void flow_table_copy_flows(struct table_instance
*old,
struct hlist_head *head = &old->buckets[i];
if (ufid)
- hlist_for_each_entry(flow, head,
- ufid_table.node[old_ver])
+ hlist_for_each_entry_rcu(flow, head,
+ ufid_table.node[old_ver],
+ lockdep_ovsl_is_held())
ufid_table_instance_insert(new, flow);
else
- hlist_for_each_entry(flow, head,
- flow_table.node[old_ver])
+ hlist_for_each_entry_rcu(flow, head,
+ flow_table.node[old_ver],
+ lockdep_ovsl_is_held())
table_instance_insert(new, flow);
}
--
1.8.3.1
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