linux-kernel - [PATCH] rpl_iptunnel: simplify the return expression of rpl_do

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Message-Id: <20200818085454.12224-1-vulab@iscas.ac.cn>
Date:   Tue, 18 Aug 2020 08:54:54 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     davem@...emloft.net, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        kuba@...nel.org, netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Xu Wang <vulab@...as.ac.cn>
Subject: [PATCH] rpl_iptunnel: simplify the return expression of rpl_do_srh()

Simplify the return expression.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 net/ipv6/rpl_iptunnel.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/net/ipv6/rpl_iptunnel.c b/net/ipv6/rpl_iptunnel.c
index 5fdf3ebb953f..e58ad9ac987c 100644
--- a/net/ipv6/rpl_iptunnel.c
+++ b/net/ipv6/rpl_iptunnel.c
@@ -197,11 +197,7 @@ static int rpl_do_srh(struct sk_buff *skb, const struct rpl_lwt *rlwt)
 
 	tinfo = rpl_encap_lwtunnel(dst->lwtstate);
 
-	err = rpl_do_srh_inline(skb, rlwt, tinfo->srh);
-	if (err)
-		return err;
-
-	return 0;
+	return rpl_do_srh_inline(skb, rlwt, tinfo->srh);
 }
 
 static int rpl_output(struct net *net, struct sock *sk, struct sk_buff *skb)
-- 
2.17.1