From: luo penghao <luo.penghao@zte.com.cn>
Date: Thu, 11 Nov 2021 09:18:09 +0000 (+0000)
Subject: ipv4: drop unused assignment
X-Git-Tag: v5.17-rc1~170^2~459
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ef14102914f3f6a86d105e9fc2941d97de69c389;p=thirdparty%2Flinux.git

ipv4: drop unused assignment

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

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index d2e2b3d18c668..2ad3c7b42d6d2 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;