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| author | Michal Ruzicka <michal.ruzicka@comstar.cz> | 2006-08-15 00:20:17 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-08-17 16:29:49 -0700 |
| commit | bb699cbca0096aa3f5f750264ec0af080732375a (patch) | |
| tree | 4340b45f9750f7855abe937ff9c5c1427166e48a /net/ipv4 | |
| parent | 640c41c77a96dbbfb74d40ae86ab75b759afb911 (diff) | |
| download | lwn-bb699cbca0096aa3f5f750264ec0af080732375a.tar.gz lwn-bb699cbca0096aa3f5f750264ec0af080732375a.zip | |
[IPV4]: Possible leak of multicast source filter sctructure
There is a leak of a socket's multicast source filter list structure
on closing a socket with a multicast source filter set on an interface
that does not exist any more.
Signed-off-by: Michal Ruzicka <michal.ruzicka@comstar.cz>
Acked-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/igmp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 9f4b752f5a33..e981369ebe13 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -2199,13 +2199,13 @@ void ip_mc_drop_socket(struct sock *sk) struct in_device *in_dev; inet->mc_list = iml->next; - if ((in_dev = inetdev_by_index(iml->multi.imr_ifindex)) != NULL) { - (void) ip_mc_leave_src(sk, iml, in_dev); + in_dev = inetdev_by_index(iml->multi.imr_ifindex); + (void) ip_mc_leave_src(sk, iml, in_dev); + if (in_dev != NULL) { ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr); in_dev_put(in_dev); } sock_kfree_s(sk, iml, sizeof(*iml)); - } rtnl_unlock(); } |