[PATCH linux-next] ipv4: drop unused assignment

[cgel . zte]

From: luo penghao <luo.penghao@xxxxxxxxxx>

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

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: luo penghao <luo.penghao@xxxxxxxxxx>
---
 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