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-rw-r--r--net/ipv4/igmp.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 8b6d3939e1e6..c6247fc84060 100644
--- 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,