From: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Date: Fri, 13 Nov 2009 21:56:33 +0000 (-0800)
Subject: tcp: provide more information on the tcp receive_queue bugs
X-Git-Tag: v2.6.32-rc8~10^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d792c1006fe92448217b71513d3955868358271d;p=pandora-kernel.git

tcp: provide more information on the tcp receive_queue bugs

The addition of rcv_nxt allows to discern whether the skb
was out of place or tp->copied. Also catch fancy combination
of flags if necessary (sadly we might miss the actual causer
flags as it might have already returned).

Btw, we perhaps would want to forward copied_seq in
somewhere or otherwise we might have some nice loop with
WARN stuff within but where to do that safely I don't
know at this stage until more is known (but it is not
made significantly worse by this patch).

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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