ipv4: Use newinet->inet_opt in inet_csk_route_child_sock()
Since 0e734419 ("ipv4: Use inet_csk_route_child_sock() in DCCP and TCP."), inet_csk_route_child_sock() is called instead of inet_csk_route_req(). However, after creating the child-sock in tcp/dccp_v4_syn_recv_sock(), ireq->opt is set to NULL, before calling inet_csk_route_child_sock(). Thus, inside inet_csk_route_child_sock() opt is always NULL and the SRR-options are not respected anymore. Packets sent by the server won't have the correct destination-IP. This patch fixes it by accessing newinet->inet_opt instead of ireq->opt inside inet_csk_route_child_sock(). Reported-by: Luca Boccassi <luca.boccassi@gmail.com> Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
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