From: Michael Chan <mchan@broadcom.com>
Date: Wed, 2 Mar 2011 13:00:49 +0000 (+0000)
Subject: cnic: Prevent status block race conditions with hardware
X-Git-Tag: v2.6.38-rc8~29^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=107c3f4d42adc9af393019b795dd2177fbe9e465;p=pandora-kernel.git

cnic: Prevent status block race conditions with hardware

The status block index is used to acknowledge interrupt events and must
be read before checking for the interrupt events, so we need to add rmb()
to guarantee that.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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