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[NETFILTER]: xt_tcpudp: fix double unregistration in error path
"xt_unregister_match(AF_INET, &tcp_matchstruct)" is called twice, leaving "udp_matchstruct" registered, in case of a failure in the registration of the udp6 structure. Signed-off-by: Yuri Gushin <yuri@ecl-labs.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -260,7 +260,7 @@ static int __init xt_tcpudp_init(void)
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return ret;
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out_unreg_udp:
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xt_unregister_match(&tcp_matchstruct);
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xt_unregister_match(&udp_matchstruct);
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out_unreg_tcp6:
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xt_unregister_match(&tcp6_matchstruct);
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out_unreg_tcp:
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