From: Christian Lamparter <chunkeey@web.de>
Date: Mon, 6 Jul 2009 13:18:13 +0000 (+0200)
Subject: p54: fix queue stall due to underrun
X-Git-Tag: v2.6.32-rc1~703^2~655
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ffa5fede379091bf62a732462b829e4b51af054;p=pandora-kernel.git

p54: fix queue stall due to underrun

Larry Finger discovered a weird behavior under load.
In essence, the queue's length count under runs,
which in turn renders the associated ac queue unusable.

Reported-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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