netdev - [PATCHv4 net 1/3] net: sched: ife: signal not finding metaid

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Message-Id: <20180420191505.27633-2-aring@mojatatu.com>
Date:   Fri, 20 Apr 2018 15:15:03 -0400
From:   Alexander Aring <aring@...atatu.com>
To:     yotam.gi@...il.com
Cc:     jhs@...atatu.com, davem@...emloft.net, xiyou.wangcong@...il.com,
        jiri@...nulli.us, yuvalm@...lanox.com, netdev@...r.kernel.org,
        kernel@...atatu.com, Alexander Aring <aring@...atatu.com>
Subject: [PATCHv4 net 1/3] net: sched: ife: signal not finding metaid

We need to record stats for received metadata that we dont know how
to process. Have find_decode_metaid() return -ENOENT to capture this.

Signed-off-by: Alexander Aring <aring@...atatu.com>
Reviewed-by: Yotam Gigi <yotam.gi@...il.com>
Acked-by: Jamal Hadi Salim <jhs@...atatu.com>
---
 net/sched/act_ife.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c
index a5994cf0512b..49b8ab551fbe 100644
--- a/net/sched/act_ife.c
+++ b/net/sched/act_ife.c
@@ -652,7 +652,7 @@ static int find_decode_metaid(struct sk_buff *skb, struct tcf_ife_info *ife,
 		}
 	}
 
-	return 0;
+	return -ENOENT;
 }
 
 static int tcf_ife_decode(struct sk_buff *skb, const struct tc_action *a,
-- 
2.11.0