1 files changed, 3 insertions, 1 deletions

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 966b2372aaab..f15e04ad026e 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -545,8 +545,10 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
                         sock_kfree_s(sk, newpsl, IP6_SFLSIZE(newpsl->sl_max));
                         goto done;
                 }
-        } else
+        } else {
                 newpsl = NULL;
+                (void) ip6_mc_add_src(idev, group, gsf->gf_fmode, 0, NULL, 0);
+        }
         psl = pmc->sflist;
         if (psl) {
                 (void) ip6_mc_del_src(idev, group, pmc->sfmode,