diff options
Diffstat (limited to 'net/ipv4/igmp.c')
| -rw-r--r-- | net/ipv4/igmp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index caf2f1101d02..ab183af0b5b6 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -2557,7 +2557,8 @@ done: /* * check if a multicast source filter allows delivery for a given <src,dst,intf> */ -int ip_mc_sf_allow(struct sock *sk, __be32 loc_addr, __be32 rmt_addr, int dif) +int ip_mc_sf_allow(struct sock *sk, __be32 loc_addr, __be32 rmt_addr, + int dif, int sdif) { struct inet_sock *inet = inet_sk(sk); struct ip_mc_socklist *pmc; @@ -2572,7 +2573,8 @@ int ip_mc_sf_allow(struct sock *sk, __be32 loc_addr, __be32 rmt_addr, int dif) rcu_read_lock(); for_each_pmc_rcu(inet, pmc) { if (pmc->multi.imr_multiaddr.s_addr == loc_addr && - pmc->multi.imr_ifindex == dif) + (pmc->multi.imr_ifindex == dif || + (sdif && pmc->multi.imr_ifindex == sdif))) break; } ret = inet->mc_all; |