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[IPV4]: Possible leak of multicast source filter sctructure

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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>
This commit is contained in:
Michal Ruzicka 2006-08-15 00:20:17 -07:00 • committed by David S. Miller
parent 640c41c77a
commit bb699cbca0
1 changed files with 3 additions and 3 deletions
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4
net/ipv4/igmp.c
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@ -2199,13 +2199,13 @@ void ip_mc_drop_socket(struct sock *sk)
struct in_device *in_dev; struct in_device *in_dev;
inet->mc_list = iml->next; inet->mc_list = iml->next;
if ((in_dev = inetdev_by_index(iml->multi.imr_ifindex)) != NULL) { in_dev = inetdev_by_index(iml->multi.imr_ifindex);
(void) ip_mc_leave_src(sk, iml, in_dev); (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); ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);
in_dev_put(in_dev); in_dev_put(in_dev);
} }
sock_kfree_s(sk, iml, sizeof(*iml)); sock_kfree_s(sk, iml, sizeof(*iml));
} }
rtnl_unlock(); rtnl_unlock();
} }