From: Chetan Loke <loke.chetan@gmail.com>
Date: Thu, 14 Jul 2011 15:36:33 +0000 (-0700)
Subject: af-packet: fix - avoid reading stale data
X-Git-Tag: v3.1-rc1~316^2~162
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc9f01b246ca8e4fa245991840b8076394f86707;p=pandora-kernel.git

af-packet: fix - avoid reading stale data

Currently we flush tp_status and then flush the remainder of the header+payload.
tp_status should be flushed in the end to avoid stale data being read by user-space.

Incorrectly re-ordered barriers in v1.

Signed-off-by: Chetan Loke <loke.chetan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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