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Date:	Mon, 04 Jun 2007 17:15:53 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	"David S. Miller" <davem@...emloft.net>
CC:	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [TCP]: Honour sk_bound_dev_if in tcp_v4_send_ack

Patrick McHardy wrote:
> [TCP]: Honour sk_bound_dev_if in tcp_v4_send_ack
> 
> A time_wait socket inherits sk_bound_dev_if from the original socket,
> but it is not used when sending ACK packets using ip_send_reply.
> 
> Fix by passing the oif to ip_send_reply in struct ip_reply_arg and
> use it for output routing.


The patch was missing a NULL pointer check in tcp_v4_send_ack for
a different code path where twsk == NULL. Fixed version attached.


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