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 d2e2b3d..2ad3c7b 100644 (file)
--- 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;