linux-kernel - [PATCH linux-next] net: sched: act_ct: remove redundant variable err

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Message-Id: <20220913161326.21399-1-cui.jinpeng2@zte.com.cn>
Date:   Tue, 13 Sep 2022 16:13:26 +0000
From:   cgel.zte@...il.com
To:     jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
        davem@...emloft.net
Cc:     edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jinpeng Cui <cui.jinpeng2@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] net: sched: act_ct: remove redundant variable err

From: Jinpeng Cui <cui.jinpeng2@....com.cn>

Return value directly from pskb_trim_rcsum() instead of
getting value from redundant variable err.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Jinpeng Cui <cui.jinpeng2@....com.cn>
---
 net/sched/act_ct.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index 4dd3fac42504..9d19710835b0 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -696,7 +696,6 @@ static bool tcf_ct_skb_nfct_cached(struct net *net, struct sk_buff *skb,
 static int tcf_ct_skb_network_trim(struct sk_buff *skb, int family)
 {
 	unsigned int len;
-	int err;
 
 	switch (family) {
 	case NFPROTO_IPV4:
@@ -710,9 +709,7 @@ static int tcf_ct_skb_network_trim(struct sk_buff *skb, int family)
 		len = skb->len;
 	}
 
-	err = pskb_trim_rcsum(skb, len);
-
-	return err;
+	return pskb_trim_rcsum(skb, len);
 }
 
 static u8 tcf_ct_skb_nf_family(struct sk_buff *skb)
-- 
2.25.1