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[ovs-dev,06/12] datapath: Fix return value check in ovs_meter_cmd_features()

Message ID 1513029033-9087-7-git-send-email-gvrose8192@gmail.com
State Changes Requested
Delegated to: Justin Pettit
Headers show
Series Backport upstream Linux OVS patches | expand

Commit Message

Gregory Rose Dec. 11, 2017, 9:50 p.m. UTC
From: Wei Yongjun <weiyongjun1@huawei.com>

Upstream commit:
    commit 8a860c2bcc84a8e4fbcabb928cd97e4c51b17d93
    Author: Wei Yongjun <weiyongjun1@huawei.com>
    Date:   Tue Nov 14 06:20:16 2017 +0000

    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@huawei.com>
    Acked-by: Pravin B Shelar <pshelar@ovn.org>
    Signed-off-by: David S. Miller <davem@davemloft.net>

Cc: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Greg Rose <gvrose8192@gmail.com>
 datapath/meter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/datapath/meter.c b/datapath/meter.c
index 2a5ba35..2e58b6c 100644
--- a/datapath/meter.c
+++ b/datapath/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,
-	if (!reply)
+	if (IS_ERR(reply))
 		return PTR_ERR(reply);
 	if (nla_put_u32(reply, OVS_METER_ATTR_MAX_METERS, U32_MAX) ||