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| author | David L Stevens <dlstevens@us.ibm.com> | 2005-07-08 17:47:28 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-07-08 17:47:28 -0700 |
| commit | 9951f036fe8a4e6b21962559c64ff13b290ff01a (patch) | |
| tree | 3d4d557102bf8d8a96d5276de7183b57c9808711 /net/ipv6 | |
| parent | 917f2f105ea4bbba8604e3ed55233eebda7afe6a (diff) | |
| download | linux-stable-9951f036fe8a4e6b21962559c64ff13b290ff01a.tar.gz linux-stable-9951f036fe8a4e6b21962559c64ff13b290ff01a.tar.bz2 linux-stable-9951f036fe8a4e6b21962559c64ff13b290ff01a.zip | |
[IPV4]: (INCLUDE,empty)/leave-group equivalence for full-state MSF APIs & errno fix
1) Adds (INCLUDE, empty)/leave-group equivalence to the full-state
multicast source filter APIs (IPv4 and IPv6)
2) Fixes an incorrect errno in the IPv6 leave-group (ENOENT should be
EADDRNOTAVAIL)
Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/mcast.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 9db4581d0d79..398c982625f8 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -281,7 +281,7 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr) } write_unlock_bh(&ipv6_sk_mc_lock); - return -ENOENT; + return -EADDRNOTAVAIL; } static struct inet6_dev *ip6_mc_find_dev(struct in6_addr *group, int ifindex) @@ -492,6 +492,7 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf) struct inet6_dev *idev; struct ipv6_pinfo *inet6 = inet6_sk(sk); struct ip6_sf_socklist *newpsl, *psl; + int leavegroup = 0; int i, err; group = &((struct sockaddr_in6 *)&gsf->gf_group)->sin6_addr; @@ -508,6 +509,11 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf) return -ENODEV; dev = idev->dev; + if (gsf->gf_fmode == MCAST_INCLUDE && gsf->gf_numsrc == 0) { + leavegroup = 1; + goto done; + } + for (pmc=inet6->ipv6_mc_list; pmc; pmc=pmc->next) { if (pmc->ifindex != gsf->gf_interface) continue; @@ -554,6 +560,8 @@ done: read_unlock_bh(&idev->lock); in6_dev_put(idev); dev_put(dev); + if (leavegroup) + err = ipv6_sock_mc_drop(sk, gsf->gf_interface, group); return err; } |