[MCAST]: ip[6]_mc_add_src should be called when number of sources is zero

[net-next-2.6.git] / net / ipv4 / igmp.c

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 8b6d3939e1e60922fc41d6e7e04723486aade385..c6247fc84060a2d509edd0477efe2383408031f4 100644 (file)
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1908,8 +1908,11 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
                        sock_kfree_s(sk, newpsl, IP_SFLSIZE(newpsl->sl_max));
                        goto done;
                }
-       } else
+       } else {
                newpsl = NULL;
+               (void) ip_mc_add_src(in_dev, &msf->imsf_multiaddr,
+                                    msf->imsf_fmode, 0, NULL, 0);
+       }
        psl = pmc->sflist;
        if (psl) {
                (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,