[TCPv6]: Fix skb leak
Spotted by Francois Romieu, thanks! Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -992,13 +992,12 @@ static void tcp_v6_send_reset(struct sk_buff *skb)
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/* sk = NULL, but it is safe for now. RST socket required. */
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if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
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if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0)
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if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) {
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ip6_xmit(NULL, buff, &fl, NULL, 0);
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TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
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TCP_INC_STATS_BH(TCP_MIB_OUTRSTS);
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return;
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ip6_xmit(NULL, buff, &fl, NULL, 0);
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TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
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TCP_INC_STATS_BH(TCP_MIB_OUTRSTS);
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return;
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}
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}
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kfree_skb(buff);
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@ -1057,11 +1056,11 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
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fl.fl_ip_sport = t1->source;
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if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
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if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0)
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if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) {
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ip6_xmit(NULL, buff, &fl, NULL, 0);
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TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
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return;
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ip6_xmit(NULL, buff, &fl, NULL, 0);
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TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
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return;
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}
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}
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kfree_skb(buff);
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