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authorNeal Cardwell <ncardwell@google.com>2012-08-19 03:30:38 +0000
committerDavid S. Miller <davem@davemloft.net>2012-08-20 03:03:33 -0700
commitfae6ef87faeb8853896920c68ee703d715799d28 (patch)
tree67a31066d1ad0a6f2f997ee64dd4eb78b05b9a19 /net/ipv4
parent3de7a37b02f607716753dc669c1dca4f71db08fc (diff)
downloadop-kernel-dev-fae6ef87faeb8853896920c68ee703d715799d28.zip
op-kernel-dev-fae6ef87faeb8853896920c68ee703d715799d28.tar.gz
net: tcp: move sk_rx_dst_set call after tcp_create_openreq_child()
This commit removes the sk_rx_dst_set calls from tcp_create_openreq_child(), because at that point the icsk_af_ops field of ipv6_mapped TCP sockets has not been set to its proper final value. Instead, to make sure we get the right sk_rx_dst_set variant appropriate for the address family of the new connection, we have tcp_v{4,6}_syn_recv_sock() directly call the appropriate function shortly after the call to tcp_create_openreq_child() returns. This also moves inet6_sk_rx_dst_set() to avoid a forward declaration with the new approach. Signed-off-by: Neal Cardwell <ncardwell@google.com> Reported-by: Artem Savkov <artem.savkov@gmail.com> Cc: Eric Dumazet <edumazet@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_ipv4.c1
-rw-r--r--net/ipv4/tcp_minisocks.c2
2 files changed, 1 insertions, 2 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7678237..5bf2040 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1462,6 +1462,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
goto exit_nonewsk;
newsk->sk_gso_type = SKB_GSO_TCPV4;
+ inet_sk_rx_dst_set(newsk, skb);
newtp = tcp_sk(newsk);
newinet = inet_sk(newsk);
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index d9c9dce..6ff7f10 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -387,8 +387,6 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
struct tcp_sock *oldtp = tcp_sk(sk);
struct tcp_cookie_values *oldcvp = oldtp->cookie_values;
- newicsk->icsk_af_ops->sk_rx_dst_set(newsk, skb);
-
/* TCP Cookie Transactions require space for the cookie pair,
* as it differs for each connection. There is no need to
* copy any s_data_payload stored at the original socket.
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