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[TCP]: Merge exit paths in tcp_v4_conn_request. 

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-03-03 11:59:32 -08:00 committed by David S. Miller
parent f0fd56ed40
commit 7cd04fa7e3
1 changed files with 6 additions and 10 deletions
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16
net/ipv4/tcp_ipv4.c
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@ -1355,8 +1355,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
(s32)(peer->tcp_ts - req->ts_recent) >
TCP_PAWS_WINDOW) {
NET_INC_STATS_BH(LINUX_MIB_PAWSPASSIVEREJECTED);
dst_release(dst);
goto drop_and_free;
goto drop_and_release;
}
}
/* Kill the following clause, if you dislike this way. */
@ -1376,24 +1375,21 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
"request from %u.%u.%u.%u/%u\n",
NIPQUAD(saddr),
ntohs(tcp_hdr(skb)->source));
dst_release(dst);
goto drop_and_free;
goto drop_and_release;
}
isn = tcp_v4_init_sequence(skb);
}
tcp_rsk(req)->snt_isn = isn;
if (__tcp_v4_send_synack(sk, req, dst))
if (__tcp_v4_send_synack(sk, req, dst) || want_cookie)
goto drop_and_free;
if (want_cookie) {
reqsk_free(req);
} else {
inet_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT);
}
inet_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT);
return 0;
drop_and_release:
dst_release(dst);
drop_and_free:
reqsk_free(req);
drop: