linux-kernel - [PATCH] net/ipv6: remove redundant err variable

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Date:   Wed, 12 Jan 2022 08:26:55 +0000
From:   cgel.zte@...il.com
To:     davem@...emloft.net
Cc:     yoshfuji@...ux-ipv6.org, dsahern@...nel.org, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>, CGEL ZTE <cgel.zte@...il.com>
Subject: [PATCH] net/ipv6: remove redundant err variable

From: Minghao Chi <chi.minghao@....com.cn>

Return value from ip6_tnl_err() directly instead
of taking this in another redundant variable.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Minghao Chi <chi.minghao@....com.cn>
Signed-off-by: CGEL ZTE <cgel.zte@...il.com>
---
 net/ipv6/ip6_tunnel.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index fe786df4f849..897194eb3b89 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -698,13 +698,12 @@ mplsip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	    u8 type, u8 code, int offset, __be32 info)
 {
 	__u32 rel_info = ntohl(info);
-	int err, rel_msg = 0;
+	int rel_msg = 0;
 	u8 rel_type = type;
 	u8 rel_code = code;
 
-	err = ip6_tnl_err(skb, IPPROTO_MPLS, opt, &rel_type, &rel_code,
+	return ip6_tnl_err(skb, IPPROTO_MPLS, opt, &rel_type, &rel_code,
 			  &rel_msg, &rel_info, offset);
-	return err;
 }
 
 static int ip4ip6_dscp_ecn_decapsulate(const struct ip6_tnl *t,
-- 
2.25.1