linux-kernel - [PATCH linux-next] ipv4: drop unused assignment

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Date:   Thu, 11 Nov 2021 09:18:09 +0000
From:   cgel.zte@...il.com
To:     "David S . Miller" <davem@...emloft.net>
Cc:     Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, luo penghao <luo.penghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] ipv4: drop unused assignment

From: luo penghao <luo.penghao@....com.cn>

The assignment in the if statement will be overwritten by the
following statement

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: luo penghao <luo.penghao@....com.cn>
---
 net/ipv4/igmp.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index d2e2b3d..2ad3c7b 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2558,7 +2558,6 @@ int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
 	msf->imsf_fmode = pmc->sfmode;
 	psl = rtnl_dereference(pmc->sflist);
 	if (!psl) {
-		len = 0;
 		count = 0;
 	} else {
 		count = psl->sl_count;
-- 
2.15.2