forked from Minki/linux
[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>
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@ -2199,13 +2199,13 @@ void ip_mc_drop_socket(struct sock *sk)
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struct in_device *in_dev;
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inet->mc_list = iml->next;
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if ((in_dev = inetdev_by_index(iml->multi.imr_ifindex)) != NULL) {
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(void) ip_mc_leave_src(sk, iml, in_dev);
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in_dev = inetdev_by_index(iml->multi.imr_ifindex);
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(void) ip_mc_leave_src(sk, iml, in_dev);
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if (in_dev != NULL) {
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ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);
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in_dev_put(in_dev);
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}
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sock_kfree_s(sk, iml, sizeof(*iml));
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}
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rtnl_unlock();
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}
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