linux-kernel - [PATCH net 4/7] openvswitch: Ensure flow is valid before executing ct

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Message-Id: <1443566380-22640-5-git-send-email-joestringer@nicira.com>
Date:	Tue, 29 Sep 2015 15:39:37 -0700
From:	Joe Stringer <joestringer@...ira.com>
To:	netdev@...r.kernel.org, pshelar@...ira.com
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH net 4/7] openvswitch: Ensure flow is valid before executing ct

The ct action uses parts of the flow key, so we need to ensure that it
is valid before executing that action.

Fixes: 7f8a436 "openvswitch: Add conntrack action"
Signed-off-by: Joe Stringer <joestringer@...ira.com>
---
 net/openvswitch/actions.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index e1afbd1..9a88f15 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -1104,6 +1104,12 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
 			break;
 
 		case OVS_ACTION_ATTR_CT:
+			if (!is_flow_key_valid(key)) {
+				err = ovs_flow_key_update(skb, key);
+				if (err)
+					return err;
+			}
+
 			err = ovs_ct_execute(ovs_dp_get_net(dp), skb, key,
 					     nla_data(a));
 
-- 
2.1.4

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