From: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Date: Tue, 25 Nov 2008 21:57:01 +0000 (-0800)
Subject: tcp: skb_shift cannot cache frag ptrs past pskb_expand_head
X-Git-Tag: v2.6.29-rc1~581^2~484
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f782db3f5ceee9aa8de6f853969fbec1b8c6e65;p=pandora-kernel.git

tcp: skb_shift cannot cache frag ptrs past pskb_expand_head

Since pskb_expand_head creates copy of the shared area we
cannot keep any frag ptr past de-cloning. This fixes the
tcpdump recvfrom -EFAULT problem.

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