From: Ram Vepa <ram.vepa@qlogic.com>
Date: Fri, 23 Dec 2011 13:01:43 +0000 (-0500)
Subject: IB/qib: Fix a possible data corruption when receiving packets
X-Git-Tag: v3.2.1~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d878668d0a4663a4807d413532f3a99496eebf4;p=pandora-kernel.git

IB/qib: Fix a possible data corruption when receiving packets

commit eddfb675256f49d14e8c5763098afe3eb2c93701 upstream.

Prevent a receive data corruption by ensuring that the write to update
the rcvhdrheadn register to generate an interrupt is at the very end
of the receive processing.

Signed-off-by: Ramkrishna Vepa <ram.vepa@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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