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Date:   Tue, 14 Nov 2017 06:20:16 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Pravin Shelar <pshelar@...ira.com>, Andy Zhou <azhou@....org>
CC:     Wei Yongjun <weiyongjun1@...wei.com>, <netdev@...r.kernel.org>,
        <dev@...nvswitch.org>
Subject: [PATCH net-next] openvswitch: Fix return value check in ovs_meter_cmd_features()

In case of error, the function ovs_meter_cmd_reply_start() returns
ERR_PTR() not NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Fixes: 96fbc13d7e77 ("openvswitch: Add meter infrastructure")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 net/openvswitch/meter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
index 2a5ba35..2e58b6c 100644
--- a/net/openvswitch/meter.c
+++ b/net/openvswitch/meter.c
@@ -166,7 +166,7 @@ static int ovs_meter_cmd_features(struct sk_buff *skb, struct genl_info *info)
 
 	reply = ovs_meter_cmd_reply_start(info, OVS_METER_CMD_FEATURES,
 					  &ovs_reply_header);
-	if (!reply)
+	if (IS_ERR(reply))
 		return PTR_ERR(reply);
 
 	if (nla_put_u32(reply, OVS_METER_ATTR_MAX_METERS, U32_MAX) ||

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