From: Tejun Heo <tj@kernel.org>
Date: Fri, 29 Aug 2008 14:27:43 +0000 (+0200)
Subject: libata-sff: kill spurious WARN_ON() in ata_hsm_move()
X-Git-Tag: v2.6.27-rc6~16^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c2676b61a5a4b6d99e65fb2f438fb3914302eda;p=pandora-kernel.git

libata-sff: kill spurious WARN_ON() in ata_hsm_move()

On HSM_ST_ERR, ata_hsm_move() triggers WARN_ON() if AC_ERR_DEV or
AC_ERR_HSM is not set.  PHY events may trigger HSM_ST_ERR with other
error codes and, with or without it, there just isn't much reason to
do WARN_ON() on it.  Even if error code is not set there, core EH
logic won't have any problem dealing with the error condition.

OSDL bz#11065 reports this problem.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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